Nobsound G2 Subwoofer Power Amplifier Mini Mono SUB Amp 100W PBTL BTL Bridge ...

Mono Channel Power Amplifier HIFI Mini Full-range/Subwoofer Digital Amp 100W

Return-100W Mini Power Amplifier Audio Amp for Passive Subwoofer Speaker

Mini Mono Channel Amplifier HiFi Subwoofer Power Amp TPA3116 for Bass Shaker

Mini 2.0 Channel Digital Amplifier Class D Stereo Desktop Audio Amp 100W+100W

Fosi Audio BT10A Bluetooth 5.0 Stereo Amplifier 2-Channel Mini Amp 50W x2

Pyle PTAU45 2 Channel Power Amplifier

Nobsound G2 Subwoofer / Full-Frequency Mono Channel Digital Power Amplifier 100W