Due to ongoing product development, all specifications are subject to change without notice.

Appendix A:

HD900/5 Specifications

Amplifier Topology: Class D, switching type with patented Single-Cycle Control™ technology. Power Supply: Pulse width modulation-regulated switching power supply

Recommended Fuse Value / Type: 60A (AFS, AGU or MaxiFuse™)

Rated Power (Main Channels / Stereo):

100W RMS x 4 @ 4Ω (11V - 14.5V) 75W RMS x 4 @ 1.5-3Ω (11V - 14.5V)

Rated Power (Main Channels / Bridged):

200W RMS x 2 @ 8Ω (11V - 14.5V)

150W RMS x 2 @ 3-6Ω (11V - 14.5V) Rated Power (Subwoofer Channel): 500W RMS x 1 @ 1.5-4Ω (11V - 14.5V) THD at Rated Power:

Main Channels: <0.03% @ 4Ω per channel

Subwoofer Channel: <0.05% @ 4Ω (Average at 1 kHz)

Signal to Noise Ratio (20 kHz Bandwidth): Referred to Rated Power: 108 dBA Referred to 1 Watt: 88 dBA

Frequency Response (Main Channels):

12 Hz - 28 kHz (+0, -1dB)

Frequency Response (Subwoofer Channel):

12 Hz - 10 kHz (+0, -1dB)

Damping Factor (Main Channels): >400 @ 4Ω per ch. / 50 Hz

>200 @ 2Ω per ch. / 50 Hz

Damping Factor (Subwoofer Channel):

>800 @ 4Ω / 50 Hz

>400 @ 2Ω / 50 Hz

Crossover Filters:

High-Pass Filters: Front Channels and Rear Channels

Low-Pass Filter: Subwoofer Channel

Filter Type (all channels): 12 dB/octave Butterworth or 24 dB/octave Linkwitz-Riley

Cutoff Freq. Range: Continuously variable, 50 - 500 Hz

Input Sections:

No. of Inputs: Three Stereo Pairs (Front, Rear and Sub)

Input Type: Differential-balanced with RCA jack inputs

Input Range: Switchable from 200mV - 2V RMS (Low) to 800mV - 8V RMS (High)

Chassis Dimensions (LxWxH):

10.74in. x 7.85 in. x 1.93 in. (273 mm x 199.5 mm x 49 mm) Dimensions do not include connectors.

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JL Audio owner manual Appendix a HD900/5 Specifications, Crossover Filters, Input Sections, Chassis Dimensions LxWxH