Clear Com RS-701 Single Channel Analog Beltpack Intercom XLR 3 Connector The RS-701 is a single-channel analog beltpack that can carry power and audio through the XLR-3 line connector. Each beltpack combines high headroom, low-noise audio and shaped frequency contour (the ?Clear-Com Sound?) to deliver clear audio. Note: Access the Encore Power Supply Calculator to estimate power requirements for analog partyline systems. Features: Visual LED indicators on top of keypad Tactile buttons for Call and Talk Recessed rotary controls for Volume with end stops Concealed, programmable DIP switches for Latch Talk, Talk with Call, LEDs Off, Mic Gain, Mic Type and HP Level Off Fully compatible with current and previous models of Clear-Com analog partyline systems Low operating current for more beltpack daisy-chaining Rugged and strong construction ?Clear-Com Sound? for intelligible audio Specifications: dBu is an absolute measurement. 0dBu is referenced to 0.775 volts RMS Microphone Pre-Amplifier Mic to Line (without limiter acting) Frequency Response: 280 ? 15kHz 3dB Microphone output to line ? Audio Level (-50dBm Electret input): -9dBm Microphone output to line ? Distortion: 0.1% Microphone output to line ? Signal to Noise: 65dB Headphone Pre-Amplifier Frequency Response ? Line to Headphone: 150 ? 20kHz 3dB Headphone input from line ? Audio Level (-9dBm Electret input): 3.5dBm Headphone input from line ? Distortion: 0.5% Headphone input from line ? Signal to Noise: 50dB Earphone to Mic ? Crosstalk: 80dB Sidetone ? Adjustment Range (-80db mic input): 45dB Keypad Indicators Power: Green LED Talk: Green LED Call: Orange LED Connectors Intercom Line: (2) 3-pin XLR?M?F Pin 1: Common Pin 2: PL Power (+28V DC) Pin 3: Line (Audio) Headset: 4-pin XLR?M Pin 1: Mic - (Mic Common) Pin 2: Mic + Pin 3: Spkr- Pin 4: Spkr+ (and 0.5*VCC DC, supply between Pin 4 and Pin 1) Power Input Voltage Range: 12-30V DC Input Current (Idle): =12mA Input Current (Max): =28mA Call Voltage 16.5V DC Minimum Voltage Needed: 3.3V Environmental 32F - 158F (0C - 70C) Dimensions 3.4 x 4.5 x 1.7in (HxWxD) (86 x 114 x 43mm) Weight 10.5oz (0.30kg) Echotone Music LLC is an experienced E-commerce Audio Visual Equipment dealer since 1998. We take pride in selling Pro Audio gear for musicians, sound engineers, production companies and broadcast applications. Shipping -Pro packed shipped USPS, UPS or Freight Service. Contact us pay for 2 day air upgrade on any unit. We are working hard to get your product ( built if needed), processed shipped. Processing times vary, 2-30 days Returns/Refunds- Customer pays for return shipping. Returned items must be sealed/unopened to qualify for a full refund. Refunds are for the Item cost only. Gear returned with out all its original packaging, accessories or shows signs of wear, is subject to an additional service fee. This item is now used and it would be unfair to resell to another customer as new. What products can not be returned? - International Sales Clearance items, Custom Builds, Road Cases, DT12 items, items identified as non-returnable, discontinued items, used or NOS items, electronic software downloads, demo gear, computer Cards, vacuum tubes, earbuds, harmonicas raw-frame speakers, turntable cartridges, fog fluid