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JL Audio JD500/1, JD Series Class D Monoblock Subwoofer Amplifier, 500W
Designed to produce a whopping 500 watts into 2 ohms (14.4V, 1% THD), the JD500/1 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.
The JD500/1’s controls are located on the input panel. while the power and speaker connections can be found along the opposite end of its extruded aluminum chassis. Signal processing features include a 12 dB / octave low-pass filter, with continuously variable frequency selection from 50-500 Hz, and a variable bass boost EQ. Dual-range, differential-balanced inputs are also on-hand, capable of accepting line-level and speaker-level signals. Automatic turn-on capability (via signal sensing or DC-offset sensing) is standard, along with a set of preamp outputs so you can easily pass signals to another amplifier.
The JD500/1 is also equipped with an onboard LED-clipping indicator ring, surrounding the input sensitivity control. This useful feature lets you set your amplifier’s input sensitivity, quickly and accurately, without special equipment. With the addition of an RBC-1 remote level control (sold separately), you can control the subwoofer level from the driver’s seat.
NexD™ Switching Technology
NexD™ amplifier technologies produce exceptional audio quality, unsurpassed total efficiency and high power from very compact amplifier designs.
Differential-Balanced Inputs
JL Audio’s Differential-Balanced Inputs are engineered to combat induced cable noise, which is a common problem in car and marine audio installations. This technology allows for the use of conventional RCA cables, while delivering many of the benefits of a true balanced connection and accepting a wide range of input signal levels.
|
Number of Channels |
1 |
|
Class |
D |
|
Peak Power Rating (Watts) |
|
|
RMS Power Rating (Watts x Channels) - 4 Ohms |
250 x 1 |
|
RMS Power Rating (Watts x Channels) - 2 Ohms |
500 x 1 |
| RMS Power Rating (Watts x Channels) - 1.5 Ohm |
N/A |
| RMS Power Rating - Bridged 3-8 Ohms | N/A |
| Minimum Impedance Unbridged (Ohms) |
2 |
| Minimum Impedance Bridged (Ohms) |
N/A |
| THD at Rated RMS Power |
1% |
| Bulit-in Crossover - Low Pass |
Yes |
| Built-in Crossover - High Pass |
N/A |
| High Pass Crossover Frequency (Hz) |
N/A |
| Low Pass Crossover Frequency (Hz) |
50-500hz |
| Signal-to-Noise Ratio |
80dB |
| Bass Boost |
0-12dB |
| Bass Remote Included |
No |
| Fuse Rating | 50A |
| CEA-2006 Compliant | Yes |
| Maximum Power Wire Gauge Size | 4 Gauge |
| Warranty | 1 Year |
|
Number of Channels |
1 |
|
Class |
D |
|
Peak Power Rating (Watts) |
|
|
RMS Power Rating (Watts x Channels) - 4 Ohms |
250 x 1 |
|
RMS Power Rating (Watts x Channels) - 2 Ohms |
500 x 1 |
| RMS Power Rating (Watts x Channels) - 1.5 Ohm |
N/A |
| RMS Power Rating - Bridged 3-8 Ohms | N/A |
| Minimum Impedance Unbridged (Ohms) |
2 |
| Minimum Impedance Bridged (Ohms) |
N/A |
| THD at Rated RMS Power |
1% |
| Bulit-in Crossover - Low Pass |
Yes |
| Built-in Crossover - High Pass |
N/A |
| High Pass Crossover Frequency (Hz) |
N/A |
| Low Pass Crossover Frequency (Hz) |
50-500hz |
| Signal-to-Noise Ratio |
80dB |
| Bass Boost |
0-12dB |
| Bass Remote Included |
No |
| Fuse Rating | 50A |
| CEA-2006 Compliant | Yes |
| Maximum Power Wire Gauge Size | 4 Gauge |
| Warranty | 1 Year |
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to