Sub pre with frequency

Dual power supply
Sub pre using op amp quad and dual
24 v dc to 40 v dc
Gain 🎛️ control and 4 vari types of frequency mode
Alignment depends box and hall size woofer model
For con WhatsApp [phone]

[@RanjithKumar-dv6rb]

Huge fan of ur work anna❤😊..

[@VillageTechTree]

Super அண்ணா...

[@srisaiaudio.madurai2264]

Super bro

[@pmuthu994]

Hai bro your all boards are good quality results..but my request all boards added Whatsup catlog

[@lnglng6961]

❤🎉

[@m.muddumadaiah3150]

Super explain sir

[@venkatchallam7503]

Super 👌 👍 anna

[@subramanianarunachalam2466]

👍👍👍

[@senthilelectronics9326]

Nice

[@vijiaudios7703]

Super sir

[@prithvisoundservice2357]

Hi brother good eve enna subwoofer use pandreenga

[@velanaudiosexperience]

World tec 2200w RMS 300 Fre response 32 to 250

[@prithvisoundservice2357]

Thanks for your valuable reply my dear bro

[@thinkdifferent4360]

🎧🔥🔥🔥🔊

[@sundararajan1996]

❤❤❤💪

[@SivaAudioTN5230]

🎼🎶🎧🎶🪛👍👍👍

[@eapalani.eapalani8931]

அண்ணா வணக்கம் என்னா விலை

[@velanaudiosexperience]

WhatsApp catalog

[@charlespunitham7980]

Super bro

[@gopalclm9514]

👍👍👍