Wireless system for 4-channel guitar (A/B/C/D), rechargeable transmitter and receiver operating on frequency band 2.4 GHz, A/D conversion 24bit/48kHz, uncompressed digital transmission, effective range: 15 m, frequency response: 20Hz to 20kHz, latency less than 5 ms, dynamic range greater than 103 dB, about 5 hours of autonomy, USB cable included, dimensions: 117 x 42 x 30 mm, weight: 50g.