4 Channel Stereo Amplifier

Fosi Audio BT20A MAX Amplifier Deal: 300W x 2 with LDAC Bluetooth, Low Price.

This Fosi Audio BT20A MAX stereo amplifier offers 300W x 2 with PFFB technology and LDAC Bluetooth. Dual independent power supply ensures clean sound. At a low price, it delivers great value for home audio and 2.1 systems.

Mini Bluetooth Amplifier 50W+50W Stereo/Mono 100W – Affordable Amazon Deal.

This compact mini amp delivers stereo 50W×2 or mono 100W output with Bluetooth and AUX inputs. Ideal for passive speakers and bass shakers. Low price with reliable build – great value.