4 Channel Bluetooth Amplifier, 50W x 4 Audio Power Amp, Hi-Fi Home Stereo Speaker Receiver [
Amazon.com: Nobsound G2 PRO Hi-Fi 300W Subwoofer Power Amplifier Mono Channel Class D SUB Audio Amp : Electronics
Amazon.com: DIY Kit 20W Mono Channel HiFi Audio Power Amplifier Board for Home Hotel : Electronics
Amazon.com: Fosi Audio: Mono Amp
Amazon.com: East buy Power Amplifier Board, IRS2092S 500W Mono Channel Digital Amplifier Board Class D HiFi Power Amp Board. : Electronics
Fosi Audio M03 Subwoofer Amplifier 200 Watt Mini Mono Audio Amp and Box X2 Phono Preamp
Amazon.com: Fosi Audio M04 Subwoofer Amplifier for Home Theater Mono Channel Digital Class D Integrated Power Amp for Passive Speakers Subwoofer Rated 100W MAX : Electronics
Amazon.com: Nobsound 100W Full Frequency Mono Channel Digital Power Amplifier Audio Mini Amp (Black) : Electronics
AUDIO LITE 200 WATT Mono Amplifier Board for SUBWOOFER Using 2 Pair of 2SC5200+2SA1943 AS Main Output TRANSISTORS with Heavy Driver Section. : Amazon.in: Electronics
Hitommy 200W 12V HiFi High Subwoofer Amplifier Board Mono Amp Power Car Audio Player : Amazon.ca: Electronics
Amazon.com: Audio IC Development Tools Adafruit Mono 2.5W Class D Audio Amplifier - PAM8302 (1 piece) : Electronics
Compact Public Address Mono Amplifier - Professional 120 Watt Home Power Audio Sound PA Speaker Receiver System w/ RCA, Headphone, 2 Microphone Inputs, Independent Volume Control - Pyle PT210
Amazon.com: Nobsound 100W Full Frequency Mono Channel Digital Power Amplifier Audio Mini Amp (Black) : Electronics
Amazon.com: JINGERL Mono Hifi Speaker Amplifier 1000W 5200 1943 Stage Audio Power Sound Amplifier Professional Board For Home Theater : Electronics
Amazon.com: Recoil RED1200-1 2500 Watts Class-D Car Audio Mono-Block Subwoofer Amplifier, 1 Ohm Stable, Remote Bass Knob Included : Electronics
Amazon.com: Fosi Audio M02 Subwoofer Amplifier Mono Channel Amp Home Theater 100Watt Power Amp : Electronics
Amazon.com: Fosi Audio M01-BT Bluetooth 5.0 300 Watt Subwoofer Amplifier Home Theater Full-Frequency Mini Stereo Audio Hi-Fi Mono Power Amp with Bass Gain Control for Passive Subwoofer Speaker Bass Shaker : Electronics
Douk Audio 120W Mini Bluetooth 5.0 Power Amplifier 2.0 Channel Hi-Fi Stereo Class D Audio Amp Wireless Receiver TF USB Home Speaker (Upgrade Version) (Black)
Amazon.com: Nobsound G2 PRO Hi-Fi 300W Subwoofer Power Amplifier Mono Channel Class D SUB Audio Amp : Electronics