Designed to produce a healthy 250 watts into 2 ohms (14.4V, 1% THD), the JD250/1 amplifier is a great solution for powering subwoofers in a cost-conscious system. Our proprietary NexD™ switching technology delivers large amounts of real-world power output with excellent efficiency and ultra-low distortion.

Rated Continuous (RMS) Power @ 14.4 V 

@ 4 Ω 150 W RMS x 1
@ 3 Ω 200 W RMS x 1
@ 2 Ω 250 W RMS x 1
@ 1.5 Ω N/A

Rated Continuous (RMS) Power @ 12.5 V

@ 4 Ω 115 W RMS x 1
@ 3 Ω 150 W RMS x 1
@ 2 Ω 200 W RMS x 1
@ 1.5 Ω N/A

General Specifications

• Frequency Response 7 Hz - 500 Hz (+0, -1dB)
• S/N Ratio, referred to highest rated power >80 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth)
• S/N Ratio, referred to 1 W >60 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
• Damping Factor @ 4 Ω >1000 / 50 Hz
• Damping Factor @ 2 Ω >500 / 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™)

Signal Processing

• Filter Mode(s) Low-Pass only
• Filter Slope(s) 12 dB/octave
• Filter Frequency Range 50 Hz - 500 Hz
• Detented, Calibrated Filter Freq. Potentiometer No
• Filter Defeat Function No
• Infrasonic Filter No
• Bass Boost EQ Yes
• Output Polarity Switch No
• Remote Subwoofer Level Control Optional (RBC-1)
• Remote Bass EQ Boost Control No
• Pass-Through Preamp Output Buffered

Physical Specifications

• Height (H) 2.10 in / 53 mm
• Width (W) 9.50 in / 242 mm
• Depth (D) 7.50 in / 190 mm