JL Audio JD500/1 Class D Monoblock Subwoofer Amplifier

The JL Audio JD500/1 (listed as JD500/1D in the JL Audio India catalogue) is a Class D monoblock subwoofer amplifier with NexD switching technology.

• 250 W at 4 ohm, 350 W at 3 ohm or 500 W at 2 ohm (14.4 V)
• 12 dB/octave low-pass filter, 50–500 Hz
• Bass EQ: 0 to +12 dB at 45 Hz
• Dual-range, differential-balanced inputs accept line-level or speaker-level signals
• LED clipping indicator ring for accurate level setting
• Optional RBC-1 remote bass control

Technical specifications: RMS power @ 14.4 V: 250 W x 1 @ 4 ohm; 350 W x 1 @ 3 ohm; 500 W x 1 @ 2 ohm; RMS power @ 12.5 V: 225 W x 1 @ 4 ohm; 400 W x 1 @ 2 ohm; Frequency response: 7 Hz – 500 Hz (+0, −1 dB); Signal-to-noise ratio: More than 80 dB (referenced to rated power); THD+N: Less than 1% at rated power; Input sensitivity: Switchable 200 mV – 2 V RMS (low) or 800 mV – 8 V RMS (high); Low-pass filter: 12 dB/octave, 50–500 Hz; Bass EQ: 0 to +12 dB @ 45 Hz; Dimensions (W x D x H): 9.50 x 7.50 x 2.10 in (242 x 190 x 53 mm).

Genuine JL Audio product.