Focal Inside IMP Extension I/O 150

Focal's Inside system upgrades include new aftermarket vehicle-specific speakers and subs, along with their Impulse 4.320 4-channel amp. Focal also offers a variety of cables and connectors that you'll need, including: This 5-foot extension cable connects an Inside upgrade system's vehicle-specific T-harness or your vehicle's factory radio harness to a Focal Impulse 4.320 four-channel amplifier.