Feature: 1. The ABY is applicable for the instrument, amplifier, speaker(be sure to use speaker cable) and pedalboard. 2. The design of mode-choosing switch, which enable A, B channels transfer from respectively to simultaneously. 3. In both the two modes, ABY can be used in both positive and negative directions, the signal path can flow from A/B to C, or from C to A/B. 4. ABY can work without power supply (LED will not light up). 5. Full metal shell, sturdy construction with good hand feeling. Specification: Features: The ABY is applicable for the instrument, amplifier, speaker(be sure to use speaker cable) and pedalboard. The design of mode-choosing switch, which enable A, B channels transfer from respectively to simultaneously. In both the two modes, ABY can be used in both positive and negative directions, the signal path can flow from A/B to C, or from C to A/B. ABY can work without power supply (LED will not light up). Full metal shell, sturdy construction with good hand feeling. Very small and compact design takes up little space on the pedalboard. True bypass switch design minimizes tone loss. Specifications: Material: Metal A/B/C Jack: Standard 1/4" Jack-MONO/TS Power Supply 1: DC9V≥300mA Power Supply 2: USB5V≥300mA Item Size: 90 * 48.5 * 42mm / 3.54 * 1.91 * 1.65in Item Weight: 178g / 6.29oz Package Weight: 155g / 5.48oz Package Size: 10.5 * 5.5 * 4.5cm / 4.13 * 2.17 * 1.77in Package List: 1 * ABY Channel Switch 1 * Manual (English) Package List: 1 * ABY Channel Switch 1 * Manual (English)