JBL 4 Channel Car Audio Amplifiers for sale | eBay
Buyr.com | Dual-channel Amplifiers | JBL Stage A6004 4-Channel 50W X 4 Full Range Amplifier
New!! JBL CS50.4 AMPLIFIER - IN BOX | eBay
JBL GTR-104 4-channel car amplifier with Bluetooth® connection — 100 watts RMS x 4 at Crutchfield
JBL MA704 4-Channel 1000W Peak Power Marine Powersports Car Boat Amplifier, Metra IBR65 Waterproof Flush-Mount Bluetooth Audio Receiver with AUX Input - Road Entertainment