SPL Cabulator - variable power soak with speaker simulation and D.I. output for guitar amps. Play any amp loud without being loud. Speaker input: 1/4" TRS jack, soak output: 1/4" TRS jack, D.I. output: 1/4" TRS jack, transformer balanced, includes external power supply. Dimensions: 134 x 300 x 207mm (HxWxD). Weight: 3kg