JL Audio JD400/4
4-channel amplifier
still
/piece
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Description
The JD400/4 is a 4-channel amplifier from JL Audio that will take your equipment to the next level. This amplifier is not only designed in Class D, but also as a full range amplifier with 100 W x 4 @ 2 Ω / 75 W x 4 @ 4 Ω - 14.4V. One of the great advantages of this model is its ability to deliver clean loads with excellent efficiency and low distortion thanks to JL's exclusive NexD™ high-speed switching technologies. Whether as a 3-channel amplifier or as a 2-channel amplifier with an output of a whopping 200 W x 2 into 4 ohms, this amplifier is versatile. It not only impresses with its powerful functions, but also with its well thought-out design. See for yourself!
Features
- 4-channel full-range amplifier in Class D, 100 W x 4 @ 2 Ω / 75 W x 4 @ 4 Ω - 14.4V
- Utilizing JL's exclusive NexD™ high-speed switching technologies, the JD400/4 amplifier is designed to deliver clean power loads with excellent efficiency and low distortion.
- It delivers 100 watts from each of its four channels into 2 ohms (14.4 V, 1 % THD) and is fully bridgeable, so it can be used as a 3-channel amplifier or as a 2-channel amplifier with an output of a whopping 200 W x 2 into 4 ohms.
- The controls of the JD400/4 are located on the input panel of the amplifier, with all speaker and power connections located at the opposite end of the extruded aluminum enclosure.
- Signal processing features include high or low pass filters with 12 dB/octave (can be switched off) for each channel pair with stepless frequency selection from 50 to 500 Hz and differential balanced dual range inputs that can accept line or speaker level signals.
- Automatic switch-on function (via signal scanning or DC offset scanning) is part of the standard equipment.
- Onboard LED clipping indicators are also included, surrounding each input sensitivity control.
- This useful function allows you to adjust the input sensitivity of the amplifier quickly and precisely without the need for special equipment.
- With an additional RBC-1 remote control (sold separately), you can control the subwoofer level from the driver's seat.
Rated continuous power (RMS) at 14.4 V
- @ 4 Ω : 75 W RMS x 4
- @ 2 Ω : 100 W RMS x 4
- Bridged @ 4Ω : 200 W RMS x 2
Rated continuous power (RMS) at 12.5 V
- @ 4 Ω : 60 W RMS x 4
- @ 2 Ω : 90 W RMS x 4
- Bridged @ 4Ω : 180 W RMS x 2
General specifications
- Frequency response : 12 Hz - 22 kHz (+0, -1dB)
- S/N ratio, relative to the highest rated power : >104 dB below the rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth)
- Attenuation factor @ 4 Ω : >150 / 50 Hz
- Attenuation factor @ 2 Ω : >75 / 50 Hz
- THD+N @ Nennleistung : <1% @ 2 Ω pro Ch.
- Input voltage range @ RCA inputs : switchable from 200 mV - 2 V RMS (low) to 800 mV - 8 V RMS (high)
- Minimum cable diameter : 25mm²
- Fuse rating : 40 A (AFS, AGU or MaxiFuse™)
Signal processing
- Filter mode : Low-pass or high-pass
- Filter slope : 12 dB/octave
- Filter frequency range : 50 Hz - 500 Hz
- Remote control : No
- Channel input mode switch : Yes (2/4 channel)
- Pass-through preamplifier output : buffered
- Source channel selection for PreOuts : No (always 2 Ch)
Dimensions
- Height (H): 53 mm (2.10 inches)
- Width (W) : 242 mm (9.50 inch)
- Depth (D) : 180 mm (7.50 inch)
