•Grand Touring Series 4-Channel Class AB Car Amplifier •RMS Power Rating: ◦4 ohms: 100 RMSx 4 chan. ◦2 ohms: 150 RMSx 4 chan. •LED power and protection indicators •Tuned Bass EQ (0-12 dB bass boost) •Bridgeable operation •Preamp RCA outputs •Cast-aluminum heatsink •Variable high-pass filter (32-320 Hz, 12 dB/octave) •Variable low-pass filter (32-320 Hz, 12 dB/octave) •CEA-2006 compliant amplifier •Frequency response: 10-100000 Hz •Dimensions: 18-9/16"L x 10-3/8"W x 2-1/8"H •4-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier. •Also can be found as: GTO-1004, GTO100.4