METRA 82-SU1 speaker adapter and wire harness kit 6.5-6.75 in car electronics accessory
- Speaker Spacers
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Alpine
Bundle includes four Alpine 6.5" coaxial speakers with 50W RMS power and two Metra 72-8104 harnesses for Toyota 1987-up models
This bundle pairs two sets of Alpine DM-65-G 6.5" coaxial speakers with two Metra 72-8104 wiring harnesses designed for Toyota vehicles from 1987 onward. The harnesses plug directly into the factory wiring, eliminating the need to cut or splice cables during installation. Buyers receive four speakers total, each with an integrated Tedoron tweeter and neodymium magnet structure for clear high-frequency output.
The single specification that determines fit is the 50 W RMS continuous power rating per speaker. An amplifier or head unit delivering near this level will drive the speakers cleanly without risk of thermal damage. Systems rated significantly higher require careful gain setting, while lower-powered factory radios will still play but with reduced maximum output and dynamic range.
With a frequency response starting at 65 Hz, the woofers reproduce mid-bass and upper bass notes such as kick drums and bass guitars with authority. Deeper sub-bass content below this point rolls off, so listeners wanting full-range extension will need a dedicated subwoofer. The 92 dB sensitivity ensures strong volume levels even from modest amplifier power, making the set a practical upgrade for daily driving.
| Type | Subwoofers |
|---|
At 92 dB sensitivity the speakers produce strong volume from modest amplifier power, so a typical head unit can drive them to satisfying levels without a separate amp.
The 65 Hz bottom end gives punchy mid-bass but will not reach deep sub-bass; pairing with a dedicated subwoofer fills the lower octaves.
Yes — the bundle includes Metra 72-8104 harnesses made for 1987-up Toyotas, so the 6.5 inch speakers fit factory openings and plug in without splicing.
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