1. zeke105

    Wiring connections for car amplifier with sub for home use.

    Im new to these kinds of stuff, very noob question here but I found an old car amplifier with a sub on it (attached photo). I’ve watched YT vids on how to actually make it work. Im just wondering if in the “bridged” speaker out i can just put a female 3.5 mm to bare wires. since i only have...
  2. Dominator008

    Creative Inspire T3030 Subwoofer No Sound

    Hi, I have a Creative Inspire T3030 2.1 speaker system of which the subwoofer isn't working. The two satellite speakers and volume control are working, as well as the headphone jack. Very unfortunately there is no schematic for this particular product online. The only references are schematics...
  3. isagollo

    DC Motor in parallel with a Voice Recorder Playback Module

    I’ve build a circuit using 3V(2x 1.5Volts AA battery)connected in parallel with a ISD1820 Voice Recorder Playback Module with Speaker in parallel with a DC Motor and a Red Led. When I turn the circuit on the LED brightness reduces and the recorded audio in the speaker doesn’t play. What should I...
  4. froilan.1

    Speaker Power Specifications

    Hey guys. I'm newbie to this forum i don't know if this is the right forum if not pardon. I'm here to ask what is rhe specifications of this speaker i can't see specifications at the back but i taken some pictures i am planing to rebuild this one. this speaker is from my deceased father. thank...
  5. P

    Electret microphone to speaker circuit

    Below is the circuit I created. I'm trying to to get the electret microphone to amplify through the PAM8403 amplifier into the 4Ohm 3Watt speaker. The PAM8403 has an operating value of 2.5V-5V, claims to work with speakers from 4-8Ohms, and speaker power from 2W-8W. Did I get connect something...
  6. Z

    Motorcycle bluetooth speaker

    Hi there, I want to build a bluetooth stereo speaker set for my yamaha xvs 650a. So due to me never having built something like this before, I have some questions. Buyable speaker sets claim to have either 600W or 1000W amps, and I've found this 2x500W amp board on amazon and was wondering if...
  7. nikolopikolo

    Audio amplifier

    Hello, I have decided to build my own loud speaker from scratch. That means tha I will be building my own power amplifier. Now I want it to go as loud as it can so about 500W RMS should do it. I want to know are there any sites with schematis of such amplifier and I want a qulity one not...
  8. Sillencio

    JBL Charge 2+ Wont turn on

    Hello guys. I have a JBL Charge 2+, and i got it as a gift. It has no battery inside, but googled that i can turn it on without the battery by just plugging the charger in. I did that but the speaker does not respond at all, and all it shows is a white power button LED, and thats all. When i...
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