ESX QL600.4 24V 4ch Class D Digital amplifier 680w RMS
QL600.4 (24V). 4 x 100/170 Watt RMS @ 4/2 Ω. 2 x 340 Watt RMS @ 4 Ω bridged. 4-channel Class D digital amplifier. The compact QUANTUM QL amplifiers are technically the little brothers of the QUANTUM QE models.