Cornerstone Gladio V2.1 Double Preamp, Effect pedal for electric guitar, Preamp, Realistic Dumble tube amp-like compression and saturation with full velocity at the same time, 2 Channels with completely different voicings can be used individually or combined for a wide range of sounds, Channel 1 is soft and creamy and channel 2 is more aggressive with a hard clipping sound, Controls: Gain I & II, Volume I & II, Tone I & II, Switch channel 1: Comp, Switch channel 2: Jazz/Rock, Mode: Single/Double, LED: Ch. I On, Ch. II On, Footswitch: CH. I Bypass, CH. II Bypass, Input: 6.3 mm jack, Output: 6.3 mm jack, Mains adapter connection: Hollow plug socket 5.5 x 2.1 mm, negative pole inside, Power consumption: 120 mA, Power supply via 9 V DC mains adapter (suitable mains adapter art. #409939#, not included in delivery), Dimensions (W x D x H): 119 x 94 x 42 mm, Weight: 400 g, Handmade in Italy@+@+*Note:* Battery operation is not supported