• legendary headphone amplifier for practising and recording
• the Bass Ace offers selectable Treble Boost and Mid Boost to add to your sound
• built in compression
• Volume control
• Aux Stereo Input/Output
• power supply: 9V battery or mains adapter (Dunlop ECB-005 AC-Adapter)

The Rockman Ace line lets you hear your instrument's dynamic range and clarity to inspire you to "pick up your guitar and play". These high-quality, low-priced headphone amps offer built-in compression, volume control and auxiliary stereo input/output. You can even route the output  to a mixer for recording! Powered by 9V battery or adapter.