JBL GX-A604 435w Amplifier
RRP is £180+ new so grab a bargain as these are a highly rated bit of kit
Taken from my Mk5 Astra Van in good working order

GX Series 4-Channel Car Amplifier
RMS Power Rating: 4 ohms: 60 watts x 4 chan. / 2 ohms: 85 watts x 4 chan. / Bridged: 4 ohms: 170 watts x 2 chan.
Max power output: 435 watts
Variable Bass Boost (0 to +12 dB bass boost at 45 Hz)
4, 3 or 2 channel operation

Postage via Royal Mail tracked 48 or Ebay GSP
Collection welcome from Grantham NG317AZ