METRA 82-SU1 speaker adapter and wire harness kit 6.5-6.75 in car electronics accessory
- Speaker Spacers
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Alpine
An 11-inch floating HD touchscreen receiver with Apple CarPlay, Android Auto, built-in Bluetooth, HD Radio, Pandora and SiriusXM compatibility paired with a 6.5-inch 3-way component set
This bundle combines the Alpine ILX-F511 Halo11 multimedia receiver with two speaker sets for a complete car audio upgrade. The 11-inch floating HD touchscreen provides Apple CarPlay, Android Auto, Bluetooth, HD Radio, Pandora and SiriusXM compatibility. It includes a 13-band EQ, 6-channel time correction and 4V preamp outputs for precise sound tuning. The package targets drivers who want a modern infotainment centre and improved speaker performance in one purchase.
The receiver uses a floating 11-inch display that sits above the dashboard, so dashboard depth and mounting space must accommodate the halo design. The R2-S653 component set includes separate 16.5 cm woofers, 9.6 cm mid-range drivers and 4.3 cm tweeters needing individual mounting locations. The R2-S69 6x9-inch coaxial speakers fit standard 6x9 openings with a 16 x 24 cm woofer footprint. Both speaker sets present a 4 Ohm load and handle 100W RMS and 300W peak power.
The head unit supplies 4V preamp outputs for external amplifiers, while the included speakers are passive 4 Ohm units rated at 100W RMS. Buyers who want to run the speakers directly from the receiver’s internal amplifier should verify that the built-in power matches the 100W RMS rating. Those planning a multi-amp installation or requiring a different impedance load will need additional equipment not covered by this bundle.
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The Halo11 chassis fits a standard double-DIN opening; the floating arm lets you tilt and extend the 11-inch screen forward after the unit is bolted in. The step most installers miss is setting the depth and angle before tightening the pivot bolts — once secured, the screen position is fixed.
The 4.3 cm tweeters and 9.6 cm mid-range drivers use exposed silk domes that attract dust and can fatigue from UV heat; a soft brush and occasional ferrofluid check keep them linear. The 16.5 cm glass-fibre woofers and the R2-S69 16 x 24 cm coaxial woofers are sealed and rarely need service.
Both speaker sets are rated at 100W RMS and 300W peak with 4 Ohm impedance; sustained output above roughly 100W per channel will cause voice-coil heating before the 65Hz-40kHz response starts to compress.
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