Diycart Surround pre amplifier board, high quality Surround Sound...

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VAVESONIC 2Channel Stereo Volume Gainer With Noise Filter,Use in USB-AUX-TV-DTH-Mobile-12V Electronic Components Electronic Hobby Kit

VAVESONIC SUB Pre-Amp Board,Frequency-BASS Boost With Gain Control,DC 24vTo42v Dual Supply Electronic Components Electronic Hobby Kit

ud tech ONLY MUSIC SURROUND,L&R + CEN 3Channel Out,Used SMD Ic,Dc24v To 40v Dual Supply Electronic Components Electronic Hobby Kit

High Tech 5.1 Mini Prologic Board. Stereo Audio Input and 5.1 Channel Output.DC15V to 40V Electronic Components Electronic Hobby Kit

VAVESONIC 2.1 Channel SUB+BT Board, High Deep Bass and Treble, DC 24V to 40V Dual Supply Electronic Components Electronic Hobby Kit

High Tech SUBWOOFER PRE-AMP Board,12V-DC Bass Gain Adjustable Preset Suitable Car-Auto-Van Electronic Components Electronic Hobby Kit

High Tech 2.1 SUBWOOFER With BASS TREBLE Board, DC 12V To 18V SUB Gain Adjustable Preset Electronic Components Electronic Hobby Kit

gtech Dual Supply Converter,DC 12Vto26V(12-0-12 Output DC 2AMP)Use For 12-0-12,Pre-Amp Electronic Components Electronic Hobby Kit