Big Power in the Palm of Your Hand - TDA7498E 160+160 watts

Possibly the most powerful amp in our "Chinese Mini Amp Invasion - Part 2" round of tests? Let's check out the TDA7498E, rated to deliver 160x2 at 4 ohms, with a 36 volt input. Further checking shows this rating is at 10% THD and the 1% THD rating is 125x2. As we expect today with amplifier ratings, show a misleading number to attract potential buyers...but for under $20 USD, should we expect anything more?
Watch me show off the amp, perform a sound test then put the palm-sized TDA7468E on the Amp Dyno to check it's true output at both 1kHz and 40Hz. Will it perform up to par or is it just another overrated amplifier? Gotta watch to find out!
#5 - TDA7498E 160+160 watts - goo.gl/dw9LbO
DC-DC Voltage Boost Converter - goo.gl/mrqMGr
Keyko 12v 12ah SLA Batteries:
amzn.to/2v7myna
Knurled Shaft Potentiometer Volume Knobs:
amzn.to/2th2mBZ
Full disclosure: I purchased this amp, it was not provided by the manufacturer. All of the opinions in this video are my own and the content wasn't reviewed by anyone prior to posting. Affiliate links are placed above for your convenience. I receive a portion of the sales from these links, which help me bring you more unbiased content for this channel.
Chinese Mini Amp Invasion Part 2 Intro Video:
• Chinese Mini Amp Invas...
Mini Amps Kickin' It Teaser Trailer:
• Mini Amps Kickin' It -...
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MUSIC BY: KZbin Artist free for use on KZbin video
"Militaire Electronic"
Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0
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[@wal]

Full disclosure: I purchased this amp, it was not provided by the manufacturer. All of the opinions in this video are my own and the content wasn't reviewed by anyone prior to posting. Affiliate link is placed below for your convenience. I receive a portion of the sales from these links, which help me bring you more unbiased content for this channel. TDA7498E 160+160 watts - goo.gl/dw9LbO

[@MrBrymstond]

These things are crazy for the price, but what is the amount of watts for it to be totally clean?

[@MrBrymstond]

Thanks, but you're getting at least 1% THD at these settings correct? I'm thinking 40~50 watts @ 4ohm @ 0.01 THD Clean Rating? So I can figure out which speakers to buy. My PA system is 6200 watts, but I never use all of that because I want it as clean as possible and the same idea with my guitar amps. I using 2 full stacks running at 220 watts @ 2ohm 2 heads and 2 top and bottom speaker cabs a total of 16 12 inch, 440 watts @ 2ohm stereo to get the cleanest sound (Headroom) I'll use at the most 180~200 watts and normally a total of 100 watts when I play clean and picking from that 440 watt People tell me it's overkill but when I hear them play clean, it's still distorted because they're pushing their 100 watt head or amp to 80% I only push mine at 20~40% and the amp heads last longer. All about the headroom. I played some really big venues Larkfest was 80,000 people so I do need the power regardless

[@amb3cog]

MrBrymstond Pretty sure these tests were done @ 1% THD. Just to give you an idea. And it all depends on your definition of clean. Some claim you can hear 1%. Other people say anything under 3% is fine. This is very limited in it's uses really. He says it doesn't have good bass. So probably terrible dynamics. Low damping factor. Zero soundstage most likely. I wouldn't expect great vocals. Maybe good for computer speakers alongside a powered sub? Plenty of clean power for that I'm sure.

[@amb3cog]

MrBrymstond I wrote my last comment earlier, but just posted it. Actually if you pause the video and look at the specs it says 0.05% THD @ 1 watt.

[@amb3cog]

MrBrymstond And I totally agree about headroom. Plus the dynamics are WAY better with more power. Your speakers really come alive with more power.

[@DrTune]

Thanks, nice to see someone doing proper tests; that's exactly what I was looking for. I appreciate it very much!

[@mgodlasky]

Hey Big D, i appreciate you taking the time (and coin) to run these tests. I've got some bluetooth speakers I want to build as Xmas gifts this year, and several of the boards I'm considering are on your Chinese Invasion 2 list. I know the D'Amore/SMD AD-1 dyno ain't cheap, and it's great to see a regular audio guy that's out there testing anything and everything with it!

[@dennishill9873]

So, my employer pulled me to the side and asked me to stop saying “ you big dummy” when they make a mistake at work. 🤣🤣🤣. Thanks Big D

[@Dr.Billions]

This is the kind of review/testing I like. With technical details!

[@08ds]

Man, love these videos, thank you. Would have loved to see what this amp can do in BTL though. Looking forward to your video on that DC/DC boost...

[@TheJPhutchins]

You are THE MAN, man! Keep up the good work

[@der_pinguin44]

Whoa! Early notification! Awesome! BigDWiz, keep up the good work. I'm learning a lot.

[@wal]

+Der Pinguin 👍

[@HifiVega]

Oh snap! You've got that new Nike meter setup.

[@amb3cog]

hifivega That's the Air Jordan edition too. TOTL! If you have to ask. You can't afford it.

[@nubie1100]

This is what I used to make my bluetooth speaker and it turned out not a bad little 4x speaker. Defo loud enough for me. Glad I done it

[@anthonyvolkman2338]

Excellent vid and tests of amps!

[@coryscustominstalls7168]

Thanks for doing these videos I have been looking at a couple myself thinking of doing a mini Bluetooth boom box with them. I was unsure of there actual performance ,now to buy a couple and we will see how they stand up long term. Keep up the good work!

[@wal]

+CorysCustomInstalls this one is the most powerful I've tested thus far, but not my favorite. I think the TPA3116/3118 models sound better

[@coryscustominstalls7168]

BigDWiz yea I would have to play around in sketchup, figure out what I could do for a sub channel maby a 6x9 I know RF makes a nice 2way that might fit the bill. I'm thinking this would out preform 80% of the Bluetooth speakers on the market right now although it's gonna be 10x larger... big size comes big sound I guess

[@nathanaelsmith3553]

digging the test tracks

[@KamranB1]

Very nice test, thank you

[@ProkonsTechCenter]

Thanks Big D. Pretty sweet little amp

[@wal]

+Prokon's Tech Center thanks for watching and commenting 👌

[@kaptnjohannesbrassmann7499]

I use 3 of them on a 24V LED Power Source for my surround speakers. Awesome!

[@iwillbuycocainefromyou]

hey im trying to do a project thats something along those lines, could you share a diagram or something so i get everything right before i pull the trigger?

[@wisdomdigital]

I love ST chips. I've built a few amplifiers with them. You can make a nice little amplifier using only a few components and a single ST IC.

[@freshkryp69]

This is really cool! I want a diy (solder yourself type kit), real audio grade quality mono block 150-200 @ 4ohm would be great!

[@KaushalKumar-mw9hq]

Awsm details given ..keep it up

[@topnotchcontent]

That's a good amp for a component system for sure! It must sound good with crossovers!

[@rushanfernando5207]

Thanks for another great video ! cool amp!

[@wal]

Thank you for watching and commenting!

[@gebework2933]

nice review & info 👍👍

[@mrlithium69]

Thank you !

[@DatBlueHusky]

This be a great amp bridged

[@floydwilliams3321]

That’s pretty impressive man

[@wal]

Thanks for watching and commenting!

[@axelandru9346]

I realize there is a nike shoes box, I pause, I write comment. !!!! Nostalgia :P ... I love you and your channel !!!!

[@wal]

Love you back ✌️

[@jrrockett]

Interesting for sure! Cool stuff

[@wal]

+Jered Housel thanks for watching and commenting 👍

[@pigbenis2812]

0:47 thanks for permission.

[@Shadow_of_STLKR]

Great review

[@wal]

+Shadow_of_STLKR 😊👍

[@Fra96]

Finalmente fai vedere queste piccole schede from Italy 🇮🇹

[@alexmtz408]

I have this mini amp and I wired with 2 kicker dual 4 ohm subs at 1 ohm and they were moving good

[@Darieee]

Awesome - love these reviews ! - kinda bummed it uses close to 4W on standby ...

[@Lapeerphoto]

Interesting. Good ino, thanks. New subscriber.

[@Brian1.]

I am not surprised as Planet Audio is made by the same manufacturer as Sound Storm Laboratory. It's a real nice looking amp though. Enjoyed as always Bid D

[@pyramydseven]

World's greatest channel, period.

[@wal]

Thanks for watching and commenting!

[@pyramydseven]

@@wal Can I contact you for a few questions please?

[@dynamicautotech90]

I press like for great fact u gave... Thanks

[@wal]

+Dynamic Autotech thank you for watching and commenting

[@BuhdFrankDaTank93]

please revisit these mini amps for their power and efficiency. Id like to build a boombox soon and would come in handy.

[@McCuneWindandSolar]

do you have a hole list of these small amps. I like to find a good one for blue tooth for my next speaker build.

[@kswis]

Man the beautiful copper heatsink is prob bout $18 on its own. Actually really cool amp. Thanks for sharing with is. I have a few 36v batteries that'd be excellent for this little guy.

[@Bagoesbudianto]

almost $20 without TC but i love that heatsink combo really nice.... for under $20 i think another power audio amp kit with dual BA5406 [btl system] is really awesome...

[@gino3286]

Hi ! thank you so much for your very valuable testing At 7:42 that is the most telling test about power for me by far ... put some heavy bass disco music (i like Toto for instance) and feel for the pressure No pressure no emotion ... Kind regards, gino

[@deonpalmer5651]

Would be great of you did one for a Bluetooth set up portable speaker type deal. Great video thou

[@McgarickWAstate]

I gave you a thumbs up,because of the Big Dummy clip..

[@tgirard123]

I wonder if the lack of bass response was do to the boost converter. I don't have any proof and I really don't understand how the converter works but I know that big beefy power supplies with large caps are used on home audio amps for just that reason (Better bass response) Buying one of these today to play with. Thanks Big Deeeeeeee!

[@seguetaspeed]

Hey Big DWiz! Great reviews. I've been learning a lot from your videos. My question is (and maybe I searched wrong) have you done the Earthquake Mini D1000 series? I'm curious if these can power something like a Sundown SA-8 D4.

[@justins.1283]

One of these , that voltage booster , a Bluetooth module, and an old PC power supply seems like it would make a good amp that you could use in a garage, or a small cabin without a big investment to to a built-in system.

[@DjErzaSB]

I own the 7498 and 7498E, I am satisfied by the output they give, but I always want more so I went and found the TAS5630 chipset which will be my next build.....specs say it gives 2x300w @10%thd and something like 2x250w@ 4ohm 1% thd....If you could do a test on that chip it would be awesome....I wish i had an amp dyno like yours...

[@gizmothewytchdoktor1049]

p.s. thanks for the test. i have been wondering about those things.

[@wal]

👌😬👌

[@doddgarger6806]

Could build a strong set of powered near field monitors with this If you could just find one with dsp you could do some interesting stuff with active monitors and be less concerned about driver matching

[@SDS-1]

Thanks D !

[@wal]

+james craghead 😬🤘

[@RandallDibble]

How about a review of some Mods/upgrades for these amps ??

[@pollydor07]

THANKS

[@vettonator]

Thanks Bigdwiz for all the work you put into these videos. I know you stated the bass output was weak, but I'm wandering how much this could be helped by equalization. When you do these tests, could you also measure the output at bass frequencies? This would give us all a better idea of what it's capable of with some equalization.

[@wal]

+vettonator I show both 1kHz and 40Hz results near the end of the video. They are pretty close. The bass was ok, don't get me wrong, but I was expecting it to be stronger with the output power measured. It may be a limitation of the chip itself. The TI based chips do a better job (TPA3116/3118) sound much more deep and dynamic to my ears

[@vettonator]

BigDWiz oh my bad I guess I should pay closer attention before saying something. You've got me seriously thinking about building some kind of badass little Bluetooth speaker with one of these amps.

[@blaube]

The lack of blue tooth or audio controls isn't a negative unless the application requires it.

[@lupuradu]

I've just blown this up this morning, brand new, i only got it delivered yesterday, now it's on its way back to Amazon. Tested it this morning just to see if there was any sound coming out, i tested it on my subwoofer by replacing the TPA3116D2 mono module i usually run on, it appeared to push my woofer less than the 3116. Therefore, knowing that i bought it to use it bridged for the subwoofer only, i've bridged those J1-J2-J3-J4 and thank god i've i've been cautios and i didn't hook it up to the woofer or the computer. It lasted 1 second long after being powered on, made a big POP, smoke, so i promptly shut off the 24v power supply. Curious to see what happened, i've removed the heatsink and i've found a SMD 202 resistor being slightly bulged. Although the bridges were soldered up accordingly to the scheme on the board, and me having hooked up just the left channel (BLT) from the NE5532 pre-amp, i've removed the bridges and decided to give it another go, no matter the result : an ever bigger POP, and 3 legs chopped off the TDA chip. This has to be the crappiest board i've ever got my hands on, they didn't even bother shoving in a manual telling you how to operate it, i just had to take my guess and look at how other people did it (that didn't go to well i suppose lmao).

[@45llamas]

Awesome video!!! I use to buy this chinese amps for small projects!! haha also didnt you check if the voltage went down? the 36 volts? i would like you to make the same with the KNACRO 500W Mono amplifier!! is an insteresting board but will this get close to 500w? they sell it in amazon for 26 bucks!!!

[@salimkumar1414]

Thanks

[@MyOwntuahur]

nice test.. tanks

[@wal]

Thanks for watching and commenting!

[@MyOwntuahur]

your welcome..

[@CriticoolHit]

Even though it didn't hit rated. For less than 20 bucks that was still pretty impressive. I'm sure that what you trade is longevity but its a step in the right direction for the red team.

[@wal]

Fo sho, not a bad deal

[@Balduccio94]

Hi, thanks for your work. Is there a comparison between tpa2116D2 and tda7498E at maximum voltage possible ? Regards

[@zerodefcts]

BigD!!! I also added some caps (6x 4400uF 50V in parallel), but was getting that WEAK BASS. I EQed at the source by ear, and brought up the low end by ~50%! Ooooooohhhhhhh.....that worked!!!! It can make bass, but it has to be brought up at the source.

[@papatronix]

what?

[@12villages]

You might wanna check the output terminal labels. Mine were marked incorrectly. I checked using an oscilloscope. + and - speaker output is reversed on both channels.

[@gebework2933]

Can you re-review using the 8ohm Speaker, because I've read that in the description of this tool it is recommended to use the 8ohm 32V-8A speaker I'm curious about the final result ??!! Thanks'

[@josephsaucedo8691]

If you would of bridged it on the back you would be able to do the 2ohm test on it. that really what it really for. its a single channels amp so it doesn't bridge channels. it just allows you to run it at lower ohms. If any one wondering what it's really for. 🧐✌️

[@marianmoldovanu4959]

Thank you for this video. I'm asked, what's the true watt power. Thanks.

[@jp-um2fr]

Great video but a shame you didn't show the approx amps using 36 V. I was surprised it was only 3 A into 8 Ohm at 24 V. I have a 28 V linear power supply that's pretty good up to 8 A so I'll assume that should do.

[@jk-76]

A couple of these and a minidsp. I imagine a decent low buck mid-fi living room system...

[@wal]

+J& K not bad

[@yurianhuizing2352]

Ordered 2 of these, use a 4channel dsp use 2 6.5 a 3inch scans peak dome and a 1inch Dayton dome. A 600watt power supply. Im going to build a active center speaker

[@fullwaverecked]

Agreed, thanks. Can you suggest one w/bluetooth?

[@maxrockbin]

It'd be interesting to see higher freq. results than 1khz because that's where Class D amps tend to fail - distortion-wise.

[@joohop]

I Suggest Opaline Joohop ;) tell me if this is'nt one of the maddest tunes you've ever heard

[@malikeyyy]

Hey man please do a sound quality and dyno test for tda8954th...😋

[@thenotoriousrvh6091]

I was too distracted by the autographed shoe box to watch anything else 😂😂.

[@MrAlexH9121]

Hi. Can you test the Ground Zero GZRA 1.1650D monoblock or the DD Audio M1D?

[@erict9087]

Considering putting one of these in the attic above my back patio, audio input coming from an airport express, and ceiling speakers mounted in-ceiling under back porch. Would heat in the attic be an issue? Just want it out of sight and always on. Decent enough to pump tunes through a couple Definitive Technology di 6.5str speakers? They are dual voice oil 8-ohm, so would like to wire each one parallel to achieve the 4-ohm numbers.

[@kooltechno5108]

Hail up big wiz the best reviewer there is can review the tda8954th an the IRS 2092S mini amplifiers plz an thanks

[@fereidounazari]

Hi Thanks ❤️❤️❤️❤️❤️

[@juanitokicker6666]

Gracias

[@techpluslab8744]

You should test tpa3116d2 amp!

[@kunalzshah]

What kind of bass and treble can you expect from this amp?

[@4G12]

Hi BigDWiz, love your video, just subscribed. :-) I wonder how much can this amp output for an 8 ohm load for THD under 0.1%, since I'm wondering if it'll work adequately for a speaker with 40W RMS and 70W Peak rating . Thanks!

[@lio1234234]

More than enough, if you max out that amp you would probably break that speaker. Depends on what voltage you are sending through it.

[@soundguymatt]

These work really well for efficient Biamp line array pa speakers. Double 8 inch 8 ohm woofers down to 4 ohms on 1 channel for mids and a compression driver on the other channel for highs. Use a external crossover and bam they DRIVE plenty enough for concerts. There is a small 36 volt 5 amp Ac to dc power supply you can get on ebay for 10 dollars and I add a couple 10000 uf capacitors on the output of the power supply for a dynamic buffer. Cost about 40 dollars per cabinet to power excluding the xlr connectors and ac power switch. Reply if you want more details

[@dennissinger7880]

Wuzhi audio build new tda7498e board , verry nice wondom Design.

[@MeatPopsycle]

What is your opinion on those Monoprice bookshelf speakers?

[@chrish7927]

Bought this amp and literally smoked it when I shorted the speaker leads for only a moment. So, be careful it has zero short circuit protection. Other than that it sounds pretty good on my Polk Atrium 8 speakers. Bought a second one so each amp can drive one speaker. Will drive both of them with a 36v 15A power supply I bought.

[@1pcfred]

What do you expect for the price? They build this cheap crap with counterfeit parts. That includes the IC.

[@chrish7927]

@@1pcfred Yea. A lot of the chips are actually counterfeit TDA7498 not even counterfeit TDA7498E. Looks like he got something closer to a TDA7498E on his.

[@Pertamax7-HD]

Nice nike box sir

[@wal]

+Pertamax7 its a special edition

[@nukedathlonman]

THD is is higher then I like to see, but it would still be good for low volume applications. Looks like it had reasonable speaker control - I was not expecting that out of something so cheap. Like how the fan doesn't run all the time. Too bad the bass is a bit weak, but again, wasn't expecting miracles given it's size and cost. It might not have done rated, but as you pointed out it was pretty close. All for $18 - would be pretty good for some applications one may want to attach a small amp too.

[@soundguymatt]

This amp is actually useful for high power applications as well. I use them on line array pa speakers and have had success running live bands with these amps powering cabinets in biamp configuration. Unbelievable they actually put out enough power especially at the price point.

[@rawux1228]

Try LJM knockoff amp boards from ebay like L15, L20, L50. By trying them i believe they are pretty close to rated power. L50 really heats up my earthquake dbxi12d sub. Would be nice to se actual numbers

[@TexasUnderbrushing]

Hey buddy love your stuff been a subscriber for a while. I have two questions I've been on your store site but I'm looking for a old like late 90s Hifonics 500 to 750 amp? Also could you do a video explaining how Hertz work and ohm levels? I've yet to see a video where this is explained. I'm somebody that's just tinkering around I've never really learned properly thanks again buddy..

[@indopleaser]

Annie Rains have waiting for a good video on this topic for years as well. barevids youtube channel has a video called box rise. finally understand this after watching many times.

[@TexasUnderbrushing]

indopleaser okay awesome really appreciate it I will check it out..

[@jesperbremer9293]

Hi BigDWiz Thx a lot 4 testing "China-Boards" it's very interesting, to see what you get for almost nothing. I have done a lot of testing myself and i suggest you put at least 2x22000uF 50V capacitors in parallel, very close to the amp power terminals (max 4 inch thick cable between capacitor and terminal). Then you will get some different data! These boards are very sensitive to supply's ability to handle PEAK-currents. ALSO the wire you use in your test from booster to amp, is way too thin! 320W total RMS@36V = 9A RMS! So current at the top of sinewave = 18A (4ohm load), So if the amp is 90% efficient at best, you must calculate with a minimum of 20A@36V running 4 ohms. So try to put on some 8 AWG (10mm2) wire and test again, then you will be surprised!! If you put a scope on the amp's power terminals, when running the test, you will see what i mean... Best regards Jesper from Denmark..

[@andreaselme4127]

Are the caps to provide extra current for power peaks? Is that what the two rows of large caps on the board are for? And so would upgrading them be any good?

[@jesperbremer9293]

@@andreaselme4127 yes, pwm (digital) amps draw serious current peaks, thats why you always see rows of capacitors, and the bigger, the better. It needs to be very low ESR-caps, thats why there usually is several medium sized in parallel, the ripple current peaks in 300KHz to 1MHz, so low internal resistance in hf region is important.

[@incorporeal3793]

Hey Jesper, may I pick your brain for a second about the voltage booster, as you seem to know what you're talking about....I'm using a couple of car amps for home use and running them from PSU's. I'm guessing the PSU is under-powering them at 12v, would using the booster to make it up to 14v (if I can) make any noticeable difference to the amps output?

[@jrod1125420]

@@incorporeal3793 probably not tbh, the power supply can only output so much power on the 12v rail, so even boosting it to 14v wont help alot because the main power is stil coming form the power supply. Getting a larger wattage power supply would help id bet

[@JohnDoe-mx1sq]

Jesper, good info, thanks. The boost converter is only rated to 20A, it's possible that might be hitting the limit too. Have you ever run your TDA boards at their maximum rated voltage? I'm reading the spec sheet and it specifies 45V as max DC input voltage. It seems you could reasonably get an extra ~10% by bumping it up to 40V. Incorp, you can do that but you're still limited to the current output of the power supply into the DC/DC boost. You can put multiple PSU's in parallel or a really big one to get a lot of 12V current and feed a big boost board.

[@zunayedislam4029]

Hope you are doing well! I have two passive bookshelf speakers and each tower consists of Woofer 6.5 Inch 4Ω (60W RMS)+Mid-Range 4.0 Inch 8Ω(40W RMS)+Tweeter 1.5 Inch 4Ω (20W RMS) that is 120W RMS+ 120W RMS Three way system with crossover. Can I use my two passive bookshelf speakers with this amplifier boards as 2.0 with ease or not. If yes could you please advise me on the appropriate volt of the transformer and the ampere?

[@amlecciones]

What makes for good bass in these chips? I have a TAS5352A in my K.GUSS DP-A1, not sure if the bass is okay or good.

[@DjErzaSB]

Any chance you could do a BTL mono test? really curious about 4 ohm and 8 ohm load with BTL config because the 7498E datasheet only shows the rating on 3 ohm load in BTL mode

[@ahyonvlogs]

Maybe u could have used stereo mic when recording so viewers can perceive the audio more realistic and immersive

[@joohop]

Yo Big D Use Any Of My Muzik Yeaaaaah

[@hasanaliraz5608]

Should i run 50w*2 tpa 3116 amp with 15v adapter for speakers o/p power of 80w?

[@daveban1656]

I recently purchased and upgraded with Bluetooth and per your video you were showing to use those terminals for bridging and wish little description It was saying to short those up-4 out for the Bluetooth I’m a little confused do you have any insight to this?.Dave

[@SheikhN-bible-syndrome]

I have the 1800w 40amp version of that boost converter my plan was to use it to charge a 45ah lithium battery in my car that needs 16.8v to be fully charged and I did not want to have to delete my friend battery due to the chemistry is being different so this would act as an isolator as well. Do you think it would work?

[@jaimemartinez-ye6dp]

bro your a badass...

[@wal]

Not me, you!

[@BentonL]

Should have done a run with the input sensitivity set to max. Lot of these low cost amps have quirky settings.

[@wal]

That is fo sho

[@BentonL]

Thanks for posting. Hopefully you did not take my comment in harsh way.

[@wal]

Not at all. I appreciate all feedback, including constructive criticism

[@anthonycook8737]

Could you do a dyno test of one of the tas5630 2.1 channel amps? I'd love to see if they'll really do 150x2 AND 300x1 in that tiny package!

[@wal]

+Anthony Cook I have like 10 of the mini amps I haven't tested yet. The one you mention sounds very intriguing

[@chevy4679]

I want you to test out the tda7498 class D amp board