The product is a 2.0-channel amplifier with output of 2.0-channel and subwoofer. Compact 126W 2.1 HIFI Amp: 75dB SNR & 20Hz-20KHz Frequency Response. Ultra-Compact HIFI Amp: 2.1 Ch, 126W Total Power, 16cm Portable Design.

The product is a 2.0-channel amplifier with output of 2.0-channel and subwoofer. Bluetooth Amplifier USB/SD Powerful Hifi Stereo Amplifier, 2.1 Channels LP-288. Sound Amplifier AK270 20WX2 Mini Hifi Digital Audio Amplifier 12V 3A Channel 2.0.

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