A complete 4-Lavalier system!

The Nady 401X Quad LT Wireless Lavalier Microphone System features the 401-HT receiver with four Lavalier mics and body-pack transmitters. Four independent VHF receivers in one convenient housing allows operation of four wireless systems at the same time. This system offers high performance, unmatched transparent audio with 120dB dynamic range and up to 250' optimum line-of-sight operation. Front dual antenna jacks for either onboard or remote switch allows audio muting the transmitter, while maintaining signal integrity.

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Nady 401X Quad LT 4 Lavalier VHF Channels Features:

Four independent VHF receivers in one convenient housing allows simultaneous operation of four wireless systems
120dB dynamic range
30Hz-18kHz frequency response
Up to 250' optimum line-of-sight operation
Front dual antenna jacks for either onboard or remote antennas
Off/Standby/On switch allows audio muting the transmitter while maintaining signal integrity
Individual channel XLR output jacks, volume and RF mute controls
Rear panel four-channel-mixed 1/4 output jack
Front panel power ON LED, TX ON and AF signal level LED displays
Noise-free transmitter ON/OFF operation
Rugged, all-metal construction that is single-space rackmount unit

Nady 401X Quad LT 4 Lavalier VHF Channels Specifications:

Overall System Performance:
Frequency Response: 30-18KHz (-3dB)
Dynamic Range: 120dB (20-20KHz)
Total Harmonic Distortion: <0.5% (typical)
RF Carrier Frequency Range: 170-230MHz (Factory installed Channels)
Frequency Stability: +/- 0.005%, crystal controlled
Modulation: FM (F3E), +/-15KHz nor,+/-30KHz max
Operating Range: 250 feet typical — up to 500+ feet optimum line-of-sight

Frequency Group 1
Channel A = 171.905 MHz
Channel B = 185.15 MHz
Channel D = 209.150 MHz
Channel N = 197.150 MHz

Frequency Group 2
Channel E4 = 173.8 MHz
Channel H = 191.3 MHz
Channel F = 203.4 MHz
Channel E = 215.2 MHz

401X Quad Transmitter:
Audio Inputs: 3.5mm mono locking jack with phantom power
Controls: OFF/STANDBY/ON switch, input level adjust
LED Indicator: Unit "ON" (single flash), Low Battery Alert (steady)
RF Power Out: 50mW (Max. allowed by FCC)
Harmonic & Spurious Emissions: <-40dB
Battery: 9V Alkaline
Battery Life: Up to 20 hours
Dimensions: 4.1" X 2.4"X 0.8" (10.4 X 6.1 X 2.0 cm)
Weight: (w/o battery): 3.6 oz (101 g)

401X Quad Receiver:
Controls: Power ON/OFF, volume control, mute control
Connectors: 1 unbalanced adjustable mixed (all four channel) 1/4" T-S audio output jack. Line level, 600 ohms. 4 balanced fixed level XLR. #1=GND, #2-3=signals, Line/Mic level, 11k/600 ohms
Receiver: 2.1 mm barrel-type DC input jack (tip=positive)
LED Indicators: 1Power ON LED, 4 AF LED, 4 TX ON LED
Dimensions (H x W x D): 1.75"x 7.5"x 16.5"(4.4 x 19 x 42 cm)
Weight: 4.5 lbs (2 Kg)
Power Requirements: 16V @ 800mA, nominal, AC/DC adapter supplied
Antenna Connectors: Dual female BNC connectors