This is the Metra 70-8112 Toyota / Lexus Wire Harness | Amp Integration Harness.
Features:
- Factory amplifier integration harness
- Power/4 Channel
- Plugs into car harness at radio
- 4 RCA Plugs plug into the aftermarket radio's pre-amp outputs
- 15-pin plug
- For select 1992-1999 Toyota and Lexus vehicles with premium amplifier