Features

Overview: The JH7005 5-channel amplifier is effectively three amps built into one chassis, two full range 2-channel amps labeled Front and Rear, and a mono amp labeled Sub. Each pair of full range channels is bridgeable, so the amp can be wired as 5-channel, 4-channel, or 3-channel. MTX uses a Class A/B design for the full range channels and Class D for the subwoofer channel.

CTA-2006 Compliant: CTA-2006 is a system of testing and measurement for mobile audio amplifiers. This voluntary standard advocates a uniform method for measuring an amplifier's RMS power output. The criteria for measuring amplifier power uses a DC input voltage of 14.4 volts and the RMS power output is measured over a frequency range of 20 Hz to 20 kHz (for full range amplifiers), with 1% or less Total Harmonic Distortion plus noise (THD+N). Signal-to-Noise ratio is measured in weighted absolute decibels (dBA) at a reference of 1 watt into 4Ω. CTA-2006 standards allow consumers to compare car amplifiers and receivers under the same conditions (apples to apples).

CTA-2006 Specifications:

• Power Output:
  • Full Range Channels: 60 watts RMS x 4 into 4Ω
  • Subwoofer Channel: 250 watts RMS x 1 into 4Ω (20-150 Hz)
• Signal to Noise Ratio: 60 dBA (measured at 1 watt into 4Ω)

Other Specifications:

• Power Output:
  • Full Range Channels:
    • 2Ω: 90 watts RMS x 4 (≤1.0% THD+N)
    • Bridged (4Ω): 180 watts RMS x 2 (≤1.0% THD+N)
  • Subwoofer Channel:
    • 2Ω: 450 watts RMS x 1 (≤1% THD+N)

Controls:

• Turn On: 2-position switch; select Remote (wired) or Audio (signal sensing)
• Input Mode: choose 5-channel (dedicated front, rear, and sub inputs), 4-channel (dedicated front and rear inputs), or 2-channel (just a single stereo input)
• Input Level: 2-position switch; select preamp-level or speaker-level
• Gain: independent rotary gain controls for the front, rear, and Sub channels; variable from 135mV to 10V
• Crossovers: separate crossover controls for the front, rear, and sub channels
  • Front and Rear: the front and rear crossover controls are identical
    • X-Over: 3-position switch; low pass, full range, or high pass
    • Frequency: rotary control; variable from 40 Hz to 250 Hz
  • Sub:
    • LPF: rotary frequency control; variable from 40 Hz to 250 Hz; the low pass filter is always engaged (it cannot be bypassed)
    • Sub Sonic: rotary frequency control; variable from 20 Hz to 50 Hz; used to remove extremely low frequencies that can't be cleanly reproduced by the subwoofer
• Bass Boost: increase the subwoofer channel bass level between 0dB and +12dB via the rotary control; centered at 45 Hz

Wire Connections: The JH7005 has set screw terminals for power, ground, turn-on (REM), and speaker outputs. The power and ground terminals will accept up to 4-gauge wire (recommended), and the turn-on and speaker outputs will accept up to 10-gauge wire. The set screws are loosened/tightened with one of the supplied Allen wrenches, 2mm or 4mm.

External Fuse: The amplifier does not include a built-in fuse, therefore an external fuse should be placed on the power wire, within 18" of the battery. It is recommended that a 4-gauge amplifier wiring kit and a 100-amp external fuse be used when installing the amplifier.

Input Signal: The amp has three pair of RCA inputs that accept line-level and speaker-level inputs. When using a speaker-level input signal, an optional speaker wire to RCA adapter is recommended.

2Ω Stable: Each of the speaker outputs is capable of handling load impedances down to 2Ω (4Ω bridged).

Wired Remote: The included external bass control (EBC) wired remote gives you control of the subwoofer channel output level within reach of the driver's seat.

EBC Dimensions:

• Width: 2" (2.9" including the mounting tabs)
• Height: 0.95"
• Depth: 1.67" (2.42" including knob and wiring)