JL Audio RD400/4 4-Channel Full-Range Amplifier, 400 W

The JL Audio RD400/4 is a compact four-channel Class-D amplifier with adjustable filtering and bridgeable channel pairs for flexible car-audio installations.

Features

• NexD Class-D switching technology.
• Differential-balanced inputs accepting line-level or speaker-level signals.
• LED clipping indicator for input sensitivity setup.
• Remote-wire, signal-sensing or DC-offset turn-on options.
• High-pass, low-pass or off filter modes on each channel pair.
• 12 dB/octave filters with 50–500 Hz adjustment.
• Two- or four-channel input selection.

Specifications

• Amplifier class: Class D
• Channels: 4
• RMS output at 4 ohms (14.4 V, <1% THD): 75 W x 4
• RMS output at 2 ohms (14.4 V, <1% THD): 100 W x 4
• Bridged RMS output at 4 ohms (14.4 V, <1% THD): 200 W x 2
• Operating voltage: 10–15 V DC
• Frequency response (+0 / −1 dB): 12 Hz–22 kHz
• Dimensions (W x H x D): 9.78 x 2.13 x 6.96 in (248 x 54 x 177 mm)
• Recommended fuse: 40 A
• Minimum copper power/ground wire: 4 AWG

Included

RD amplifier, 2.5 mm Allen wrench and JL Audio badge.

Installation

Use properly sized power and ground wiring, suitable overcurrent protection and compatible speaker loads. Follow the installation manual for wiring, ventilation, input sensitivity and crossover setup. Wiring kits and optional remote controls are not included unless explicitly listed.

Garmin part number: 010-03109-00

Official Garmin product information