Product Review

Features:
support analog signal input and Bluetooth signal input, Bluetooth input priority
NE5532 op-amp, expensive red ring inductance
high-power digital 2.1 Channel, Output power 50W + 50W + 100W
very suitable for do as household amplifier or car amplifier
the potentiometers from left to right: STEREO, BASS and TOTAL volume
Operating voltage: 12V-25V (recommended to use 18-24V/4A above power supply)

2.1 Channel BASS amplifier board advantages：
left and right channel full-range output, at rated voltage of 24V state can drive 3-16Ω speakers, a very wide range.
subwoofer at rated voltage 24V state can drive 2-16Ω subwoofer
Subwoofer gain independent adjustment

Use note:
The switch on the panel is low power mute switch, really cut off the power need to unplug the power adapter, LED lights only represent powered access.

Package:
1PC assembled board

WARM PROMPT:
For this board there are a lot of similar products on ebay, and some of the price is ridiculously low, please carefully contrast of components, PCB quality and layout, then make your right decision.

Nobsound®--Douk Audio Studio can give you the best shopping experience and after-sale service. Thanks!