The Defender™V15 is an EL-84 powered, 15-watt tube combo with a 10" Celestion speaker, great tones and professional features. In addition to the Volume and Tone controls, it features a four position EQ low-frequency response control for American to British low end response and blended settings in-between, 1/4 power switch, multiple impedance operation and transformer - tapped speaker-emulated, XLR balanced line out with ground lift.