Dimensions - 13.5 x 10.5 x 7 cm Weight - 0.588 kg Channel Switching: All Orange twin channel valve amplifiers, Crush 20, Crush 20RT, Crush 35 & Crush Pro amps. Reverb Engage/Defeat: Rockerverb, Thunderverb and Crush Pro amps. Attenuator Engage/Defeat: Thunderverb and Dual Dark series.