Marshall 40-Watt, 1×12″ Tube Guitar Combo Amplifier 2 Channels (Each with 2 Modes), High/Low Power Modes

Gain and volume per channel
Dedicated resonance control
High and low power settings
Reverb
Now with Celestion V type speaker
2 separate master volume controls
Softube® emulated output
4 x ECC83 and 2 X EL34 valves
Dimensions (W x H x D): 620 x 490 x 252mm
Weight: 50.5 lbs (22.9 kg)