Sell Low Pass Filter Bass Subwoofer Pre-AMP Amplifier Board Dual Power Kit best price

Channels: 2 (2.0) Maximum Power Per Channel: 10W colour:blue Material:Metal +pc size:66*28mm Package Contents: 1* low pass filter bass preamplifier DIY KitOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.