The AB SWITCH BOX is designed based on the AB BOX, which allows you to route your inst ent's signal to two separate output amp paths, providing versatile signal routing options. Versatile Signal Routing:With the AB Box, you can easily select between two separate signal paths or run both at the same time, allowing you to switch between amps or run them simultaneously with different effect configurations to explore and find your sound. Thru for Constant Signal:The AB Box features,which enables you to connect to a tuner or amp that receives a constant signal from your guitar, unaffected by the AB switches. This allows for easy tuning or feeding a constant signal to another device while using the AB Box. Construction:The AB Box is housed in a heavy-duty die-cast housing, durability and reliability. It is equipped with jacks and switches, optimal signal fer and minimizing any unwanted noise or signal degradation. Easy-to-Use Controls:The AB Box features straightforward controls. OUTPUT A sends the inst ent signal to Amp A, while OUTPUT B sends the inst ent signal to Amp B. Can be used to connect a tuner or send a constant signal to an amp. The INPUT receives the inst ent signal. The footswitches (FOOTSWITCH A and FOOTSWITCH B) activate OUTPUT A and OUTPUT B respectively, providing convenient and immediate switching between signal paths. Compact Size:Measuring 90 x 120 x 50 mm, the AB Box has a compact size that can easily fit into your pedalboard setup without taking up much space. Part Name:SWITCH BOX Effect Channel Box Size:Dimensions (W x D x H): 90 x 120 x 50 mm Color: As Shown Material: Aluminum Alloy Package Contents: 1 * A/B SWITCH BOX Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.