The Belcat effect pedals of the 600 series do not require much space on the pedal board. They have a solid metal case and are waiting for true bypass. Here you get a lot of sound for little money. TRM-607 tremolo controller: rate, wave, depth. Can be powered by a 9V battery or a power adapter. Power requirements: 20 mA. Dimensions: 110 x 60 x 53 mm (L x W x H). Weight: 225 g.