Its approx 18 months old. In good condition.

Im asking for £140.00 O.N.O

I can drop it off in London/Essex area.

PM me for any details

Gallien-Krueger Backline 600 main features include:

POWER <1% THD: 300 watts (4 ohms)
COOLING: Convection
INPUT SECTION: 1/4 jack, Clip LED, -10dB Pad, Mute Switch and Mute LED
HIGH GAIN (B): "B" LED, Gain and Level Controls
LOW GAIN (A): Level Control.
VOICING FILTERS: Adjustable Contour
EQUALIZER: Active 4 band
OUTPUT: Boost and Master
DIRECT OUT: XLR, Ground Lift and Pre/Post Switches
PATCHING: Effects loop with tuner out and mute
SPEAKER OUTPUT: Two 1/4" jacks
WEIGHT: 16 lbs
DIMENSIONS: 17"W x 5.25"H x 12"D