JL Audio Monoblock Class D Subwoofer Amplifier XD300/1v2

Model #:XD300/1v2
$649.95

Monoblock Class D Subwoofer Amplifier, 300 W x 1 @ 2 Ω / 200 W x 1 @ 4 Ω - 14.4V


This ultra-compact monoblock amplifier employs our high-speed NexD™ switching design to achieve unprecedented efficiency and amazing power output for its size. It is small enough to fit in the tightest space applications, including motorcycles and ATV’s (in a weather-tight compartment).
Targeted specifically for subwoofer applications, the XD300/1v2 includes a variable slope low-pass filter with continuously variable cutoff frequency selection from 50-500 Hz.
The XD300/1v2 also features the v2 Spec feature set, which consists of automatic turn-on capability (via signal sensing or DC-offset sensing), and a dual-range differential-balanced input section able to handle a wide range of input voltage levels. With the addition of an HD-RLC remote level control (sold separately), the amplifier's level can be directly controlled from the driver's seat.
This amplifier features a black powder-coat finish and a gasketed, brushed aluminum cover for the controls.
Download the XDv2: Monoblock Amplifiers Catalog Sheet

Rated Continuous (RMS) Power @ 14.4 V
@ 4 Ω 200 W RMS x 1
@ 3 Ω 250 W RMS x 1
@ 2 Ω 300 W RMS x 1
@ 1.5 Ω N/A
Rated Continuous (RMS) Power @ 12.5 V
@ 4 Ω 160 W RMS x 1
@ 3 Ω 210 W RMS x 1
@ 2 Ω 270 W RMS x 1
@ 1.5 Ω N/A
General Specifications
Frequency Response 10 Hz - 1 kHz (+0, -1dB)
S/N Ratio, referred to highest rated power >100 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth)
S/N Ratio, referred to 1 W >80 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
Damping Factor @ 4 Ω >120 / 50 Hz
Damping Factor @ 2 Ω >60 / 50 Hz
THD+N @ Rated Power <1% @ 2 Ω per Ch.
Input Voltage Range @ RCA Inputs Switchable from 200 mV - 2 V RMS (Low) to 800 mV - 8 V RMS (High)
Min.Copper Power / Ground Wire Gauge 8 AWG wire
Fuse Rating 30 A (AFS, AGU or MaxiFuse™)
shipping Info
Filter Mode(s) Low-Pass only
Filter Slope(s) 12/24 dB/octave
Filter Frequency Range 50 Hz - 500 Hz
Detented, Calibrated Filter Freq. Potentiometer Yes
Filter Defeat Function Yes
Infrasonic Filter none
Bass Boost EQ No
Output Polarity Switch No
Remote Subwoofer Level Control Optional (HD-RLC)
Remote Bass EQ Boost Control No
Pass-Through Preamp Output Buffered
I/O SOCKET
Height (H) 2.05 in / 52 mm
Width (W) 6.85 in / 174 mm
Depth (D) 7.09 in / 180 mm
Net Weight 3.8 lb / 1.72 kg

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