Line 6 Relay G30 Digital Instrument Wireless System 2.4 gHz 6 Channels w/ Planet Waves Tru-Strobe Pedal Tuner Bundle Includes a Planet Waves Tru-Strobe Pedal Tuner! Patented, 4th-generation digital wireless technology All-metal, half-rack receiver designed for rack-mount* or amp-top use, plus durable metal bodypack Full-range 24-bit digital conversion, 10Hz20kHz (-2.5dB) frequency response Wide 117dB dynamic range (A weighted), superior transient response