4-Channel Class A/B Full-Range Amplifier, 75 W x 4 @ 1.5-4 Ω
If you prefer a traditional Class A/B design taken to its highest possible level, the 300/4v3 is your amplifier, thanks to its outstanding fidelity, reliability and well-designed feature set.
This classic amplifier features JL Audio's unique, and patented, Absolute Symmetry Class A/B circuit and our R.I.P.S. power supply design for full power delivery (75 W x 4) over a wide range of load impedances and vehicle voltages.
This amplifier features an all-black look that is pure, sexy evil, including the powder-coated cast alloy heat sink and end caps.TechnologyR.I.P.S. - Regulated, Intelligent Power Supply
The remarkable R.I.P.S. System ensures consistent power delivery over a wide range of battery voltages and load impedances.Advanced Rollback Protection
JL Audio's exclusive Advanced Rollback Protection circuit monitors the amplifier's thermal condition and adjusts amplifier operation to eliminate annoying amplifier shut-down events.Absolute Symmetry Class A/B Circuitry (U.S. Patent #6,294,959)
Patented Absolute Symmetry Class A/B output stage delivers amazing fidelity with extremely low distortion over a wide range of load impedances.RealSink™
Vertical, cast alloy fins effectively dissipate heat, without resorting to noisy fan-cooling.Differential-Balanced Inputs
JL Audio's Differential-Balanced Inputs are engineered to combat induced cable noise, which is a common problem in car and marine audio installations. This technology allows for the use of conventional RCA cables, while delivering many of the benefits of a true balanced connection and accepting a wide range of input signal levels.