• DB Drive WDX-R750.4 WDX Reference Class-D 4-Channel Amplifier, 165W x 4 at 4 Ohms
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DB Drive

DB Drive WDX-R750.4 WDX Reference Class-D 4-Channel Amplifier, 165W x 4 at 4 Ohms

DB Drive WDX-R750.4 WDX Reference Class-D 4-Channel Amplifier, 165W x 4 at 4 Ohms

$329.98 USD
$329.98 USD
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DB Drive WDX-R750.4 WDX Reference Class-D 4-Channel Amplifier, 165W x 4 at 4 Ohms.

  • WDX Reference series Class-D 4-channel amplifier
  • Rated power: 4 x 165 W @ 4 ohms; 4 x 250 W @ 2 ohms; 2 x 550 W @ 4 ohms bridged
  • Ch 1-2 high-pass and low-pass crossover 50 Hz - 5 kHz; Ch 3-4 high-pass 20 Hz - 5 kHz, low-pass 50 Hz - 5 kHz; slope 12 dB
  • Input sensitivity 0.425 mV - 8.5 V; signal-to-noise ratio >90 dB
  • Features: direct-connect speaker terminals, large-gauge power wire inputs, selectable low-level RCA input range, ACT, PWM MOSFET regulated power supply, APC, SESI, CHM
  • 2-ohm stereo / 4-ohm bridged capable
  • Dimensions: L 9.24 in (234.6 mm) x W 5.51 in (140 mm) x H 1.88 in (47.7 mm)

Installation: an amplifier wiring kit (power and ground cable, fuse holder, RCA cables) is usually needed and is sold separately unless listed above. Check the amplifier's power and impedance against your speakers or subwoofer before ordering.

Condition: New. Supplied in the manufacturer's original packaging. Included accessories are as listed on this page.

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30-day returns · 30-day store warranty · Ships in 1–3 business days, US only · $15 flat shipping, free on orders $150+

Check fit before you order

Confirm your vehicle's year, make, model, trim and factory audio system. Stereos usually also need a dash kit and wiring harness; SiriusXM-Ready units need a separate tuner, antenna and subscription; amplifiers usually need a wiring kit. These are not included unless the listing says so.

Independent retailer. Serius Audio Hub is an independent retailer. We are not an authorized dealer for any brand, and we are not owned by, affiliated with, endorsed by, sponsored by or authorized by SiriusXM, Pioneer, Kenwood, JVC, DB Drive, Metra, PAC, Sony, Alpine or any other manufacturer or brand named on this website. Brand names, trademarks and model numbers are used only to identify products and describe compatibility. Product warranties on this site are provided by Serius Audio Hub (30-day limited warranty), not by the manufacturer.

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