METRA 82-SU1 speaker adapter and wire harness kit 6.5-6.75 in car electronics accessory
- Speaker Spacers
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Alpine
A 7-inch shallow-mount receiver with Apple CarPlay and Android Auto bundled with 6.5-inch coaxial speakers rated at 100W RMS and 88dB sensitivity
This bundle pairs the Alpine iLX-407 7-inch multimedia receiver with R2-S65 6.5-inch coaxial speakers. The receiver features a shallow mount design measuring 2-6/16 inches deep, fitting dash openings where standard units cannot. It includes a 7-inch anti-glare touchscreen with WVGA 800 x 480 resolution, Apple CarPlay, Android Auto, Bluetooth, HD Radio, and HDMI input. A 24-bit DAC, 4V pre-outs, built-in amplifier, and 5-band graphic EQ handle audio processing.
The shallow chassis suits vehicles with tight installation space behind the dashboard. Buyers who need a double-DIN height unit or a larger screen diagonal should look elsewhere. The package includes mounting bracket, wiring harness, preout/camera harness, USB extension cable, microphone, and documentation for a complete installation. Users requiring wireless CarPlay or Android Auto connectivity will not find that feature here.
The coaxial speakers handle 100W RMS and 300W peak power with 4-ohm nominal impedance. Glass fiber reinforced cones and integrated tweeters cover a frequency response of 65Hz to 40kHz at 88dB sensitivity. The 6.3 cm mounting depth allows fitment in standard door locations. Under continuous playback, the receiver’s built-in amplifier and 4V pre-outs maintain clean signal delivery to the speakers without distortion at rated power levels.
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The iLX-407 measures 2-6/16 inches deep, so the opening must provide at least that clearance behind the dash panel.
The R2-S65 woofers require a 6.3 cm mounting depth, which matches many standard 6.5-inch locations but should be verified against the specific door or deck cavity.
Play a 40 Hz–40 kHz sweep at moderate volume; clean output with no audible distortion at the 88 dB sensitivity level indicates the amplifier and speakers are performing to spec.
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