AKG Mini Single Vocal Set US45A Wireless Microphone System

Minimum Frequency Response: 40 Hz Maximum Frequency Response: 20 kHz Signal to Noise Ratio (SNR): 110 dB(A) Operating Range: 65.62 ft 6.35mm (1/4"): Yes, Battery Run Time: 30 Hour Color: Black Material: Metal - Receiver, Plastic - Transmitter, Height: 1.7" Width: 5.2" Length: 5.2" Weight (Approximate): 1.28 lb - Receiver, 6.88 oz - Transmitte Package Contents 1 x SR40 Mini Dual Receiver 2 x HT40 Mini Handheld Transmitter