Features : Extreme tiny all-tube guitar amplifier head. Sound extraordinary nearly to VOX AC30*. NORMAL/TOP BOOST channel select. THIN/MELLOW tone control. GAIN and VOLUME controls. 8?/16? speaker out selectct. Full metal construction. * VOX AC30 is a famous amplifier model of KORG INC., the mentioned manufacturer and product names are trademarks or registered trademarks of their respective owners, the trademarks were used merely to identify the sound character of this product. Specifications : Power Output: 5 Watts. Preamp Tube: ECC83 (12AX7) x 1. Power Tube: EL84 (6BQ5) x 1. Power Requirements: 100~120V 50/60Hz. FUSE: T1AL/250V. 220~240V 50/60Hz. FUSE: T0.5AL/250V. Dimensions: 120mm (D) x 193mm (W) x 105mm (H). Weight: 2.55 Kg.