Amplifier Section; Signal Processing - JL Audio JX400/4D Owner's Manual

JX400/4D
APPENDIX B:
JX400/4D Specifications

Amplifier Section:

Amplifier Topology: Class D
Power Supply: Unregulated PWM switching type
Frequency Response: 20 Hz - 20 kHz +0/-1 dB
Signal to Noise Ratio:
>93 dBA referred to highest rated power per ch.,
>76 dBA referred to 1W (20 Hz - 20 kHz Bandwidth)
Damping Factor: >60 @ 4 ohms per ch.
THD + Noise @ Rated Power: <1 %
Rated Continuous (RMS) Power @ 14.4V:
Stereo, all channels driven:
70W RMS x 4 @ 4 ohms
100W RMS x 4 @ 2 ohms
Bridged, all channels driven:
200W RMS x 2 @ 4 ohms
Rated Continuous (RMS) Power @ 12.5V:
Stereo, all channels driven:
50W RMS x 4 @ 4 ohms
80W RMS x 4 @ 2 ohms
Bridged, all channels driven:
160W RMS x 2 @ 4 ohms

Signal Processing:

Filter Type (for each channel pair): 12dB/octave High-
Pass or Low-Pass with continuously variable cutoff
frequency selection from 50 - 200 Hz. Defeatable.
Preamp Output: 2-Channel, unbuffered pass-through
with RCA-type jacks, summed from both input pairs.
Input Sections:
No. of Inputs:
Two Stereo Pairs with 2/4 Ch. Input Mode Switch
Low-Level Inputs: Single-ended with RCA jack inputs
Low-Level Input Range: 200mV - 4V RMS
High-Level Inputs: Single-ended with molded connector
High-Level Input Range: 2V - 10V RMS
Power Connections:
Recommended Fuse Value (Type): 40A (MAXI or AGU)
Minimum Copper Power/Ground Wire Gauge: 4 AWG
Dimensions (LxWxH):
9.05" x 7.68" x 2.15" (230 mm x 195 mm x 55 mm)
Net Weight:
4.80 lbs. (2.18 kg)
Due to ongoing product development, all specifications are subject to
change without notice.
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