Listen Technologies LS-31-072-D Listen iDSP Essentials Level 2 Stationary System with Dante Adapter Enabled, Long Transmission Range, Digitally Tuned, 62 dB Signal-to-Noise Ratio The Listen Essentials Level 2 Stationary RF System expands on the capabilities of our most basic system by expanding the range to cover up to 305 meters (1,000ft) affordably. The included transmitter is Dante compatible through the use of the LA-465 Dante adapter and features universal inputs compatible with most audio sources, and the choice of three (3) broadcast frequencies makes it easier to set up and fine-tune. Digital tuning ensures that the included receivers won't drift off-channel, guaranteeing a strong connection for a more enjoyable listening experience. The LS-31 is available for the 72 MHz band only. Key Features: - Expands on the capabilities of our most basic system by expanding the range to cover up to 305 meters (1,000ft) affordably - Dante adapter enabled - (3) frequencies make it simple to install, manage and use - 100 percent Digital - Listen receivers are digitally tuned so the transmission won't drift - Long transmission range ensures coverage for the entire venue Specifications: - SNR: 62 dB - Audio frequency response: 50 Hz - 15 kHz ( /- 3 dB), end-to-end - Battery: Lithium Ion - Receiver shall fully charge: under 2.5 hours - Battery run time: over 24 hours - Range to cover: up to 305 meters (1,000ft) affordably - Dimensions : 9.13 x 8.5 x 1.75 inches - Weight: 2.6 pounds