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Alpine iLX-407 7-inch touchscreen receiver with R2-S69 6x9-inch speakers and KTA-450 amplifier

Alpine

Alpine iLX-407 7-Inch Receiver Bundle with R2-S69 6x9" Speakers and KTA-450 Amplifier

SKU CH-1DRA-QXJD9

A 7-inch touchscreen receiver with Apple CarPlay and Android Auto bundled with 6x9-inch coaxial speakers rated at 300W peak and a compact Class D amplifier delivering 50W RMS per channel

  • Product typeRadio
  • 7-inch touchscreen enables Apple CarPlay and Android Auto
  • Alpine iLX-407 multimedia receiver with Maestro compatibility
  • R2-S69 6x9" coaxial speakers deliver 300W peak power with Hi-Res certification
  • KTA-450 Power Pack amplifier provides 50W RMS x 4 at 4-Ohms
  • Compact Class D amplifier with DPP technology for dynamic peak power

Alpine iLX-407 7-Inch Multimedia Receiver Bundle

This bundle combines a 7-inch touchscreen receiver with 6x9-inch coaxial speakers and a compact four-channel amplifier. It is designed for drivers who want smartphone integration and upgraded sound in a single package. The receiver supports Apple CarPlay and Android Auto for navigation, calls and music. Maestro compatibility allows retention of certain factory features in supported vehicles.

Practical limits of the included amplifier

The KTA-450 amplifier delivers 50W RMS per channel at 4 ohms and 45W RMS per channel at 2 ohms, with dynamic peaks of 100W RMS per channel. The R2-S69 speakers handle 300W peak power and carry Hi-Res audio certification. The amplifier uses DPP technology and a Class D circuit, mounting via a PowerStack bracket without requiring a separate power wire. Output is limited to four channels, so systems needing more zones or a dedicated subwoofer channel will require additional amplification.

The specification that decides fit

The receiver measures 7 by 4 by 2-6/16 inches and includes a mounting bracket and wiring harness for installation. Buyers must verify that their dashboard opening accommodates these dimensions and that the vehicle's wiring matches the supplied harness. Vehicles without a compatible Maestro module or those requiring a different chassis size will not accept this unit without modification.

How it compares

Measured against everything we stock in Car Stereos & Multimedia Receivers, at today’s prices. Recalculated every night.

Price $900.99
Pricier than about 92% of the 3,253 comparable items (median $212.99).

Specifications

Product
Product typeRadio

Questions about this item

Should I add the KTA-450 Power Pack amplifier to the iLX-407 receiver or run the speakers from the head unit alone?

The KTA-450 supplies 50W RMS x 4 at 4-Ohms and 45W RMS x 4 at 2-Ohms, far exceeding the receiver's built-in power, so adding it gives cleaner volume and headroom for the R2-S69 speakers.

What does the 300W peak rating on the R2-S69 6x9" coaxial speakers mean for daily listening?

The 300W peak figure is a short-term maximum; for continuous playback the speakers will handle the amplifier's 50W RMS per channel comfortably, delivering strong output without thermal stress.

How does the KTA-450's Class D circuit and DPP technology affect the power available at the speaker terminals?

Class D efficiency and DPP dynamic peak power let the amplifier produce 100W RMS x 4 peaks during musical transients while drawing modest current from the vehicle's electrical system.

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