The XD1000/5v2 delivers up to 1000 W of clean power and is ideal for an audiophile-grade, subwoofer + four satellite system. With this potent amplifier, you can drive two pairs of quality component speaker systems with plenty of clean power (75 W x 4 @ 4 Ω), while also delivering a stout 600 W of power to a subwoofer system. The breakthrough that makes this much power possible in such a small chassis is our NexD™ switching amplifier design.
The XD1000/5v2 includes a 12 dB / octave high-pass filter for one main channel pair, a 12 dB octave high-pass or bandpass filter for the other main channel pair, plus a variable slope low-pass filter for its subwoofer channel. All three filters offer continuously variable cutoff frequency selection from 50-500 Hz. This amplifier's filters can also be configured as a true 3-way crossover, with a low-pass filter for the subwoofer channel, a bandpass filter on Ch. 3 & 4, and a high-pass filter on Ch. 1 & 2. An "x10" multiplier switch on the Ch. 1 & 2 high-pass filter allows its cutoff frequency to be adjusted from 50-500 Hz or 500-5000 Hz.
The XD1000/5v2 also features the v2 Spec feature set, which consists of automatic turn-on capability (via signal sensing or DC-offset sensing), and a dual-range differential-balanced input section able to handle a wide range of input voltage levels. With the addition of an HD-RLC remote level control (sold separately), the amplifier's level can be directly controlled from the driver's seat.
This amplifier features a black powder-coat finish and a gasketed, brushed aluminum cover for the controls.
NexD™ Switching Technology
NexD™ amplifier technologies produce exceptional audio quality, unsurpassed total efficiency and high power from very compact amplifier designs.
Beginning with the original 'Slash' subwoofer amplifiers, JL Audio has been at the forefront of Class D amplifier design. Today, our flagship Single-Cycle Control™ technology sets the ultimate standard for Class D amplifier performance. The NexD™ amplifiers may be a bit less complex, more compact and more affordable, but they flow from the same minds that have set the trend in mobile amplifier technology for over a decade.
Let's get a little nerdy... A traditional PWM switching amp design uses a fixed switching frequency and varies the pulse width based solely on the audio input signal to the pulse modulator. This basic approach assumes some ideal conditions, like a rock-steady power supply, that do not necessarily occur in a real, in-car installation. Power supply sag with signal causes distortion at all power levels with these designs, even well below clipping. The cure for this is feedback (a corrective signal sent back to the input side), but this becomes impractical as the audio frequency increases, making it a good solution for band-limited (subwoofer) amps, but not for full-range amplifiers.
Taking the above into account when designing the NexD™ subwoofer amplifiers, we have taken the simple fixed PWM approach and enhanced it with a very high switching frequency: 240 kHz, which is about 4x higher than most Class D subwoofer amplifiers. This pushes the amplifier's bandwidth to at least 500 Hz with minimal distortion and improves efficiency, while keeping typically bulky circuity more compact. Your subwoofers will reward you with tight, rock-solid bass performance.
For the full-range NexD™ amplifiers and channels we applied a variable, ultra-high speed version of the NexD™ technology (switching at well over 400 kHz). In these designs, a self-oscillating modulator with "feed-forward" sends information about the instantaneous power supply voltage to the modulator, combining this with the input signal to cancel out any distortion due to supply voltage fluctuation. This reduces distortion prior to applying feedback, simplifying the overall feedback loop design.
The bottom line is simply great audio: clean, powerful and reliable.
Advanced Rollback Protection
JL Audio's exclusive Advanced Rollback Protection circuit monitors the amplifier's thermal condition and adjusts amplifier operation to eliminate annoying amplifier shut-down events.
Should a JL Audio amplifier equipped with Advanced Rollback Protection reach an unsafe operating temperature, a special circuit rolls back peak power output, without changing gain, until the amplifier cools down to a safe operating temperature. The red "Thermal" LED will light to indicate this condition has been reached. Once the amplifier cools down, the circuit restores full peak power output and the red "Thermal" indicator reverts to its normal state. The operation of Advanced Rollback Protection is inaudible in most cases, but it ensures that your music keeps on playing, even under the most demanding conditions.
v2 Spec (XD & M-Sereies Amplifiers)
An enhanced set of features added to XD and M-Series amplifiers that bear the "v2" designation make these models more versatile than ever.
Automatic Turn-On - Automatic turn-on detects a signal from virtually any audio source to turn on the amplifier. This feature gives the user greater flexibility in installations where the amplifier may be connected directly to a digital media players such as an iPhone or iPod. The amplifier will also turn on via the traditional remote turn-on lead from a switched +12 V power source from your head unit. Audio signal sensing from the amplifier's inputs or electrical signal sensing from the amplifier's remote lead... Automatic turn-on means you only have to concern yourself with hitting "play".
Dual-Range Differential Balanced Input Section - The realities of today's installations mean the input section of the amplifier could be connected to a variety of audio sources, which is precisely why the input section of the v2 Spec amplifiers has been intelligently designed to give the user maxium flexibilty. Whether your installation needs require connecting higher powered Speaker-Level Inputs or lower powered Line-Level Inputs, the amplifier will permit either and ensure the high fidelity amplifier output you've come to expect from JL Audio without the need for messy line-output converters and other devices.
Rated Continuous (RMS) Power @ 14.4 V
- Main Channels @ 4 Ω 75 W RMS x 4
- Main Channels @ 2 Ω 100 W RMS x 4
- Main Channels - Bridged @ 4Ω 200 W RMS x 2
- Subwoofer Channel @ 4 Ω 400 W RMS x 1
- Subwoofer Channel @ 3 Ω 500 W RMS x 1
- Subwoofer Channel @ 2 Ω 600 W RMS x 1
- Subwoofer Channel @ 1.5 Ω N/A
- Main Channels @ 4 Ω 60 W RMS x 4
- Main Channels @ 2 Ω 90 W RMS x 4
- Main Channels - Bridged @ 4Ω 180 W RMS x 2
- Subwoofer Channel @ 4 Ω 360 W RMS x 1
- Subwoofer Channel @ 3 Ω 480 W RMS x 1
- Subwoofer Channel @ 2 Ω 600 W RMS x 1
- Subwoofer Channel @ 1.5 Ω N/A
- Frequency Response (Main Channels) 12 Hz - 22 kHz (+0, -1dB)
- Frequency Response (Subwoofer Channel) 10 Hz - 1 kHz (+0, -1dB)
- S/N Ratio, referred to highest rated power (Main Channels) >104 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth)
- S/N Ratio, referred to 1 W >84 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
- Damping Factor @ 4 Ω >150 / 50 Hz
- Damping Factor @ 2 Ω >75 / 50 Hz
- THD+N @ Rated Power (Main Channels) <1% @ 2 Ω per Ch.
- THD+N @ Rated Power (Subwoofer Channels) <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 4 AWG wire
- Fuse Rating 80 A (AFS, AGU or MaxiFuse™)
- Filter Modes: Channels 1 & 2 (front) High-Pass only
- Filter Slope (dB/Octave): Channels 1 & 2 (front) 12 dB
- Filter Frequency Range: Channels 1 & 2 (front) 50-5000 Hz
- Filter Modes: Channels 3 & 4 (rear) High-Pass or Bandpass
- Filter Slope (dB/Octave): Channels 3 & 4 (rear) 12 dB
- Filter Frequency Range: Channels 3&4 50-500 Hz
- Filter Modes: Subwoofer Channel Low-Pass only
- Filter Slope (dB/Octave): Subwoofer Channel 12 dB or 24 dB
- Filter Frequency Range: Subwoofer Channel 50-500 Hz
- Detented, Calibrated Filter Freq. Potentiometers Yes
- Filters Defeatable? Yes
- Infrasonic Filter: Subwoofer Channel none
- Remote Level Control Optional (HD-RLC)
- Remote Level Modes Sub Ch. or All Channels
- Channel Input Mode Switch Yes (2/4/6 ch.)
- Pass-Through Preamp Output None
- Source Channel Selection for PreOuts N/A
- Height (H) 2.05 in / 52 mm
- Width (W) 14.73 in / 374 mm
- Depth (D) 7.09 in / 180 mm
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