<p><a class="prod_libcom">Nady DW-22 Dual Digital Wireless system with two Lapel Microphones + two headset microphones</a><br /><br /><a class="prod_desc">OVERALL SYSTEM PERFORMANCE<br />-Frequency Response: 20Hz - 20kHz ± 3dB<br />-Dynamic Range: 120dB (A-weighted)<br />-Total Harmonic Distortion: &lt;0.1%<br />-Latency: 3msec (48kHz Sample Rate)<br />-RF Carrier Frequency Range: Selected frequencies between 902 and 951MHz<br />-Frequency Stability: ± 20PPM, PLL controlled<br />-Modulation: Digital QPSK<br />-Operating Range: Up to 300 ft. line-of-sight<br /><br />RECEIVER<br />-Reception: External 7.25" (18.5cm) dual -attached antennas<br />-Receiver Sensitivity: -94dBm<br />-Controls: Power ON/OFF, Volume Control<br />-Connectors: 1/4" (6.35 mm) unbalanced phone jack, Dual XLR balanced outputs<br />-Unwanted Signal Rejection: 60dB image and spurious<br />-Power Requirements: DC 13.5V Regulated @ 400mA<br />-DC input: 2.1mm jack<br />-Weight and Dimensions: 0.8lbs (363g) 8" x 6" x 1.75" (203 x 152 x 44mm)<br /><br />DIGITAL LT TRANSMITTER<br />-RF Power Out: +13dBm, (50mW maximum allowed by FCC)<br />-RF Spurious Emissions: &lt; -50 dB<br />-Audio Inputs: 1/8" (3.5mm) locking mini-jack, for headworn or lavalier Mic<br />-Controls: Power switch, Audio Mute<br />-LED Indicator: Unit on (single flash), Low Battery Alert (red)<br />-Battery Type: 2 AA Alkaline<br />-Battery Life: Up to 11 Hours<br />-Weight and Dimensions: 0.15lbs (68g)/ 2.5" x 4.25" x 0.5" (64 x 108 x 13mm)</a></p>