METRA 82-SU1 speaker adapter and wire harness kit 6.5-6.75 in car electronics accessory
- Speaker Spacers
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STINGER
A 4-gauge copper wiring kit rated for 1200W paired with a Kicker 47KEYLOC2 smart 2-channel line output converter for factory stereo integration
This bundle combines a Stinger SS1200XS 4GA copper 1200W complete amplifier wiring kit with a Kicker 47KEYLOC2 Smart 2-Channel Line Output Converter. It provides the power cables and signal interface needed to add an aftermarket amplifier to a factory audio system. The package also includes a Creative Audio coozy.
The Kicker 47KEYLOC2 connects to existing speaker wires and converts the signal for RCA amplifier inputs. Its FIT 2+ technology accepts input sensitivity from 125 mV to 10V on the low setting or 1V to 40V on the high setting, covering most factory head units. LED indicators identify whether a wire pair carries high, mid or low frequencies, removing the need for an oscilloscope.
The Stinger wiring kit uses 4-gauge copper conductors rated for 1200W to supply the amplifier. Copper construction ensures efficient current transfer with minimal voltage drop. The kit includes the necessary power, ground and fuse components for a complete installation. The line output converter draws power from the same circuit to perform its signal processing.
| Type | Line Output Adapters |
|---|
The 4-gauge copper kit is rated for 1200 W, so sustained loads above that level will make voltage drop the first bottleneck.
The converter draws only the signal-sensing and processing current needed for 125 mV to 10 V low-level or 1 V to 40 V high-level inputs, so thermal output stays minimal during all-day operation.
The unit needs a pair of speaker-level leads carrying either a full-range or band-limited signal; it then auto-detects whether the content is high, mid or low frequency.
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