Audio-Technica System 10 ATW-1501 Stompbox Digital Guitar Wireless System Digital 24-bit/48 kHz wireless operation for ultimate sound quality and dependable performance 2.4 GHz range - completely free from TV interference Two switched TRS balanced 1/4" output jacks Output mode selector and foot switch to toggle between outputs or mute/unmute Output A without muting Output B (e.g., for use with tuner) Multi-pairing function to link a single receiver with up to eight body-pack transmitters