Bass Treble Board
IOT-Audios JRC4558 Bass mids treble bluetooth Preamplifier Volume Tone Control Board Dual AC 12V – 15V With Bluetooth Audio Power Amplifier Board
This tone board includes 3 times gain boost including treble, midrange, bass, and volume control
Reasonable circuit board, low noise, beautiful component layout
Product name: NE5532/JRC4558 preamp tone board
Product model: Ink-preamp-BT
Power supply voltage double: 12VAC-15VAC
Channel type: dual channel and Bluetooth
Adjustment type: Stereo Volume, treble, midrange and bass
Audio output: 3P JST terminal block
Power input: 3P JST terminal block
IOT-Audios LM3886 Stereo High Power Amplifier Board
Product parameters:
* using the best sound CG circuit architecture, the sound is very fine listening, very stable point
* double-sided military grade PCB, good conductivity, not easy oxidation
* add red five oxygen copper inductor, eliminate interference clutter, sound more pure and natural
* Japan OMRON protection circuit, with more confidence
The load impedance: 4ohm-8ohm
The maximum output power: 68W+68W
The static noise: no noise
The power supply voltage: AC 16V to 24V
