Kicker Q-Class 42IQ5004
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Item# 50176 / Condition:  Brand New    Review this product

Kicker Q-Class 42IQ5004

IQ Series 500 Watts 4 Channel Full Range Car Amplifier

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Save $180.00 | Reg. Price $629.95 In Stock
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IQ Amplifiers

IQ Amplifiers combine the two most import things for great sound: power and control. With a massive Class D power plant and the included TWEEQ™ tuning software, your music can achieve the realism and raw power you crave.

IQ Amplifiers Main


The soundstage is yours to command. The revolutionary TWEEQ™ tuning software is included with every Kicker IQ amp, built to make crafting audio to your exact standards as easy as clicking a mouse or touching a tablet.

IQ Amplifiers Flexible


Designed entirely in the USA, KICKER delivers the ultimate in sound quality and power by hand-selecting the finest components. Paired with an extremely efficient Class D power supply, IQ Amplifiers give you the nuance and thunder with equal ease.

IQ Amplifiers Powerful


The included IQRC remote easily controls your amp volume, bass boost and more with a single cable connection. The optional IQI Bluetooth Interface lets you play Bluetooth audio, answer phone calls and use the TWEEQ software to control as many as four IQ amps, all from your phone or tablet.

IQ Amplifiers Accessible


The IQ500.4 Four Channel Amplifier gives you audiophile quality processors and power outputs for incredibly accurate detail in a small chassis. The IQ500.4 delivers 65 watts x 4 at 4Ω and 125 x 4 watts at 2Ω. See below for more details.


  • RMS Power [Watts]:
    • @ 14.4V, 4Ω stereo, ≤ 1% THD+N : 65 x 4
    • @ 14.4V, 2Ω stereo, ≤ 1% THD+N : 125 x 4
    • @ 14.4V, 4Ω mono, ≤ 1% THD+N : 250 x 2
  • Length [in, cm]: 9-7/16, 24
  • Height [in, cm]: 2-1/16, 5.2
  • Width [in, cm]: 7-9/16, 19.1
  • Frequency Response [Hz]: 20 - 20k
  • Signal-to-Noise Ratio [dB]: >95, A-weighted, re: rated power
  • Input Sensitivity:
    • Low Level: 125mV–5V
    • High Level: 250mV–10V
  • Selectable Electronic Crossover:
    • AMP 1: OFF/HP; Variable 40Hz–180Hz, 24dB/Octave
    • AMP 2: OFF/HP; Variable 40Hz–180Hz, 24dB/Octave
  • KickEQ™ Bass Boost: Variable 0–12dB @ 40Hz
  • KickEQ™ Bass Boost (end panel adjustable): Variable 0–18dB @ 40Hz
  • KickEQ+™ Parametric Bass Boost (Remote Control Adjustable):
    • Boost : Variable 0-18db
    • Adjustable Center Frequency : 24Hz-80Hz
    • Bandwidth : .5-10

Graphical User Interface Control (each channel):

  • Selectable Active Crossover:
    • AMPS 1 and 2: Variable High Pass and Low Pass 10Hz–20,000Hz
    • Adjustable Butterworth slope : OFF, 6, 12, 18 or 24dB/octave
    • Adjustable Linkwitz-Riley slope : OFF, 6 or 12dB/Octave
  • KickEQ™: Graphic 31 Band, 1/3 octave, + or - 12dB
  • Time Delay:
    • Adjustable Delay : 0-20ms
    • Adjustable increments : .02ms, .1 ms and 1.0 ms
  • Compressor:
    • Adjustable Attack and Release time; Adjustable 1:1 - 10:1 ratio
    • Adjustable Threshold, -80 - 10dB
  • Input Mixer: Maps signal inputs to specified speaker outputs

CEA Specifications:

  • CEA Power: 65x 4 @ 4 ohms, 14.4VDC, 1% THD, CEA-2006B (Watts)
  • CEA Signal-to-Noise Ration: -80dB CEA-2006B (ref: 1W, A-weighted)

What's Included?

Onlinecarstereo is a long time authorized retailed of Kicker products. We source our inventory from accredited dealers to make sure your orders are authentic and warrantied. We always strive total customer satisfaction and on-time delivery.

  • UPC: 713034073680
  • Weight: 9
  • Authorized Internet Dealer
*Warranty: 1 Year Manufacturer warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to for replacement within 1 year from the original date of purchase with proper return authorization.