Included in this kit

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This bundle includes a JL Audio XD-PCS4-1B:Premium 4 AWG 12 V Power Connection Kit Single Amplifier, a JL Audio JD400/4 4-channel Class D full-range amplifier, and a JL Audio XD-CLRAIC4-18:4-Channel 18 ft (5.49 m) Core Audio Interconnect.

1x JL Audio XD-PCS4-1B:Premium 4 AWG 12 V Power Connection Kit Single Amplifier - (XD-PCS4-1B)

JL Audio XD-PCS4-1B: Premium 4 AWG 12 V Power Connection Kit Single Amplifier

Premium 4 AWG 12V Power Connection System for One Amplifier

Everything you need to make secure, high-integrity power connections to a single amplifier with up to a 100A fuse rating. Our compact Maxi® Master Fuse Block is easy to install and allows you to accurately fuse your amplifier. A beefy self-tapping ground screw is also included to help you achieve a solid ground. As with all our Premium kits, the power wire is true AWG-spec, pure OFC copper.

What's in the kit?



XD-MFBW-MAXI Fuse Holder with Genuine 80A Maxi® Fuse

19 ft. (5.8 m) Blue 4 AWG Premium Power Wire, terminated with ring

3 ft. (0.9 m) Clear 4 AWG Premium Ground Wire, terminated with ring

20 ft. (6.1 m) Blue Remote Turn-On Lead Wire

Self-Tapping Ground Screw

Rubber Firewall Grommet

Nylon Wire Ties

Hex Wrench for Fuse Holder



Bonus: Additional 1-year warranty on JL Audio amplifier when installed by authorized dealer with this Power Connection System!

This kit is appropriate for single amplifiers with fuse ratings from 40A to 100A. Depending on the specific fuse rating of your amplifier, you may need to purchase an appropriate Maxi® fuse separately.

1x JL Audio JD400/4 4-channel Class D full-range amplifier - (JD400/4)

JL Audio JD400/4 4-channel Class D full-range amplifier

JD Amplifiers redefine a high-value package in terms of performance and efficiency. JL Audio’s NexD™ switching technology and clipping indicators (for ease in setting Input Sensitivity), add tremendous bang for your buck. Their dual-range, differential-balanced inputs minimize noise, while maximizing compatibility with a wide range of signal levels. Monoblock models also include variable bass boost and Remote Level Control capability when used with an optional RBC-1 Remote Bass Control.

Rated Continuous (RMS) Power @ 14.4 V
• @ 4 Ω: 75 W RMS x 4
• @ 2 Ω: 100 W RMS x 4
• @ 4 Ω: 200 W RMS x 2 Bridged

General Specifications
• JD400/4: 9.50 x 7.50 x 2.10 in. (242 x 190 x 53 mm)
• Frequency Response: 20 Hz - 20 kHz (+0, -1dB)
• S/N Ratio, referred to highest rated power: >93 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth)
• S/N Ratio, referred to 1 W: >76 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
• Damping Factor @ 4 Ω: >60 / 50 Hz
• Damping Factor @ 2 Ω: >30 / 50 Hz
• THD+N @ Rated Power: Less Than 1% @ 2 Ω per Ch.
• Input Voltage Range @ RCA Inputs: 200 mV - 4 V RMS
• Input Voltage Range @ High-Level Inputs: 2 V - 10 V RMS
• Min.Copper Power / Ground Wire Gauge: 4 AWG wire
• Fuse Rating: 40 A (AFS, AGU or MaxiFuse™)

Signal Processing
• Filter Mode(s): Low-Pass or High-Pass
• Filter Slope(s): 12 dB/octave
• Filter Frequency Range: 50 Hz - 200 Hz
• Filter Defeat Function: Yes
• Remote Level Control: No
• Remote Level Modes: N/A
• Channel Input Mode Switch: Yes (2/4 ch.)
• Pass-Through Preamp Output: Unbuffered
• Source Channel Selection for PreOuts: No (always 2 Ch)

1x JL Audio XD-CLRAIC4-18:4-Channel 18 ft (5.49 m) Core Audio Interconnect - (XD-CLRAIC4-18)

JL Audio XD-CLRAIC4-18: 4-Channel 18 ft (5.49 m) Core Audio Interconnect

4-channel Core Audio Interconnect Cable - 18 ft (5.49 m)

Twisted-Pair Construction to Reject Noise

Pure OFC Copper Conductors with Polyethylene Dielectrics

Molded Connector Bodies

Machined Brass Connector Elements