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Monoblock Class A/B Subwoofer Amplifier, 250 W

JL Audio JX2501

Features

  • Inputs: One Mono Pair (RCA Low-Level) or Multi-Pin (High-Level)
  • Subwoofer Crossover: 12 dB/octave with continuously variable cutoff frequency selection from 50 - 200 Hz. Non-defeatable.
  • Preamp Output: Pass-through type with RCA-type jacks.
  • Bass EQ: 0 - +12dB @ 45 Hz

Quick Specs

  • Type: Amplifiers
  • Width: 10.94"
  • Height: 2.09"
  • Depth: 7.68"
  • Energy Star Rated: No

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Monoblock Class A/B Subwoofer Amplifier, 250 W x 1 @ 2 Ω / 175 W x 1 @ 4 Ω - 14.4V

This rugged and reliable Class A/B monoblock uses a robust MOSFET power supply design that delivers rock-solid bass performance at a very affordable price.

Targeted specifically for subwoofer applications, the JX250/1 includes a low-pass filter with continuously variable cutoff frequency selection from 50-200 Hz. It also features a variable bass boost at 45 Hz. with up to 12 dB of boost and an optional remote boost control. Dedicated hi-level inputs are included, in addition to conventional low-level RCA inputs, making it easy to integrate with a variety of OEM and aftermarket head units.

Technology
Class A/B Circuitry


Class A/B amplifier output stage delivers excellent fidelity with very low distortion.

Features

  • Inputs: One Mono Pair (RCA Low-Level) or Multi-Pin (High-Level)
  • Subwoofer Crossover: 12 dB/octave with continuously variable cutoff frequency selection from 50 - 200 Hz. Non-defeatable.
  • Preamp Output: Pass-through type with RCA-type jacks.
  • Bass EQ: 0 - +12dB @ 45 Hz
  • Rated Power 14.4 V: 175W x 1 @ 4 ohm, 250W x 1 @ 2 ohm
  • THD at Rated Power: 1% @ 4 ohms
  • Frequency Response: 10 Hz - 150 Hz +/- 1.0 dB
  • Input Range: 200mV - 4V RMS (Low-Level), 2.0V - 10V RMS (High-Level)
Rated Continuous (RMS) Power @ 14.4 V
@ 4 175 W RMS x 1
@ 3 210 W RMS x 1
@ 2 250 W RMS x 1
@ 1.5 N/A
Rated Continuous (RMS) Power @ 12.5 V
@ 4 130 W RMS x 1
@ 3 170 W RMS x 1
@ 2 210 W RMS x 1
@ 1.5 N/A
General Specifications
Frequency Response 10 Hz - 150 Hz (+0, -1dB)
S/N Ratio, referred to highest rated power >87 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth)
S/N Ratio, referred to 1 W >63 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
Damping Factor @ 4 >160 / 50 Hz
Damping Factor @ 2 >80 / 50 Hz
THD+N @ Rated Power
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 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 - 200 Hz
Detented, Calibrated Filter Freq. Potentiometer No
Filter Defeat Function No
Infrasonic Filter none
Bass Boost EQ 0 to +12 dB @ 45 Hz
Output Polarity Switch No
Remote Subwoofer Level Control Optional (RBC-1)
Remote Bass EQ Boost Control No
Pass-Through Preamp Output Unbuffered
Physical Specifications
Height (H) 2.09 in / 53 mm
Width (W) 10.94 in / 278 mm
Depth (D) 7.68 in / 195 mm
Net Weight 3.8 lb / 1.72 kg

Quick Specs


  • Appearance

  • Type: Amplifiers

  • Dimensions

  • Width: 10.94"
  • Height: 2.09"
  • Depth: 7.68"

  • Features

  • Energy Star Rated: No

JX250/1 Manual

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