2 channel high to Low Level adapter (FOR FRONT CHANNEL AMPLIFIERS AND INTERFACES) 

Includes a built in Ground Loop isolator to reduce electrical interference and on/off "Popping"

2 channel RCA Ground Loop Isolator (With level adjustment)

2 channel Low level Phono to Low Level RCA

Includes a built in Ground Loop isolator to reduce electrical interference and on/off "Popping" to amplifiers

Use the adjustment dials on the adapter box to match the output of the radio to the input of the amplifier.

2 channel high to Low Level adapter (FOR REAR CHANNEL AMPLIFIERS AND INTERFACES) 

Includes a built in Ground Loop isolator to reduce electrical interference and on/off "Popping"

4 channel RCA Ground Loop Isolator (With level adjustment)

Low level To Low Level Ground loop isolator.

Prevents interference when connecting amplifiers to the pre-outs of radios .

Has level adjustments to match the output of the interface to the input of the amplifier .

Complete sub amplifier fitting kit to install a monoblock amplifier in a Range Rover L322 or BMW X5 (E53) with original DSP amplifier to retain the subwoofers when changing to an aftermarket radio.

This amplifier fitting kit includes:

• BLAM Ultra-compact D Class 4 x 75W monoblock amplifier (BL-RA754D)
• BMW and Range Rover DSP amp bypass with sub retention (20-329)
• RCA Phono cable 5m (32-109)
• RCA Y-Leads (32-103 x2)

PLEASE NOTE: This kit is suitable for cars with original DSP amplifier only.