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Item Includes Description Features Specifications

Audio-Technica ATW-1821D Dual Wireless Combo System with ATW-R1820 Dual Receiver, Two UniPak Body-Pack Transmitters & Two Lavalier Microphones

Mfr. Part: ATW1821D     SKU: AUATW1821D

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Item Includes

Audio-Technica ATW-1821D Dual Wireless Combo - Audio-Technica ATW-R1820 Dual-Channel Receiver - Two ATW-T1801 UniPak Body-Pack Transmitters - Two Lavalier Microphones - Audio-Technica 1 Year Limited Warranty

Description

The Audio-Technica ATW-1821D is a Dual Wireless Combo System. With UHF reception (996 frequencies user-selectable in 25 kHz steps), Audio-Technica's new 1800 Series camera-mount wireless microphone systems provide extremely flexible, professional and easy-to-use portable wireless solutions. The 1800 Series is available in dual-channel and single-channel systems.

For simultaneous operation of two microphones, dual-channel 1800 wireless systems include the ATW-R1820 dual receiver with two completely independent receiver channels in a single unit. Dual balanced outputs enable signals to be mixed, or independently assigned to each output. Independent audio level controls provide flexible audio mixing and monitoring possibilities.

1800 Series wireless systems come equipped with a choice of plug-on and body-pack transmitters. The ATW-T1801 UniPak body-pack transmitters feature a professional locking 4-pin connector compatible with all Audio-Technica Wireless Essentials microphones.

Additional 1800 Series features include automatic frequency scanning, Tone Lock squelch, back-lit LCD, soft-touch buttons, headphone monitor output with independent level control and durable metal construction.

Features

Two completely independent receiver channels in a single unit, for simultaneous operation of two microphones (dual-channel systems)
Compact receiver is easy to mount on a camera
UHF reception with 996 frequencies selectable in 25 kHz steps
Automatic frequency scanning for easy selection of open channels
Tone Lock squelch system eliminates interference when transmitter is off
Two independent balanced outputs (dual-channel systems)
Headphone monitor output with independent level control
Battery fuel-level indicators on transmitters and receiver
Soft-touch controls for easy frequency selection
True Diversity operation for resistance to multi-path interference and dropouts
LCD frequency and battery status display with backlight
Antenna and AF Peak LED indicators
Dual-channel receiver can operate in single-receiver mode to extend battery life when only one audio channel is in use (dual-channel systems)
Transmitters operate in low or high transmission modes to conserve battery life/maximize power
Easy, user-friendly operation
Clear, natural sound quality
Powered by AA batteries
System components of the 1800 Series and 3000 Series Wireless Systems can be used interchangeably

Specifications

Operating FrequenciesUHF Band D: 655.500 to 680.375 MHz
Number of Channels996 total per band (25 kHz increments)
Frequency Stability±0.005%, Phase Lock Loop frequency control
Modulation ModeFM
Normal Deviation±10 kHz
Operating Range100 m (300') typical
Operating Temperature Range23° F (- 5° C) to 113° F (45° C)
Frequency Response70 Hz to 15 kHz
Receiving SystemDual independent RF sections, automatic-switching diversity
Image Rejection>50 dB typical
Signal-to-noise Ratio104 dB at 30 kHz deviation (A-weighted), maximum modulation 37 kHz
Total Harmonic Distortion<1% (±10 kHz deviation at 1 kHz)
Sensitivity25 dBµV, (S/N 60 dB at 5 kHz deviation, A-weighted)
Audio OutputBalanced: 27 mV (at 1 kHz, ±5 kHz deviation)
Output Connector3-pin mini XLR (TA3M-type)
Monitor Headphone Output(typical) 35 mW max., 32 ohm load (per channel)
Monitor Headphone Jack3.5 mm TRS, signals on both Tip and Ring
External Power Requirements12V DC nominal, 500 mA
BatteriesATW-R1820: Six 1.5V AA alkaline (not included)
Current ConsumptionDual-channel Operation: 600 mA typical
Battery LifeDual-channel Operation (ATW-R1820): 6 hours typical
Receiver DimensionsATW-R1820: 85.0 mm (3.35") W x 133.0 mm (5.24") H x 36.0 mm (1.42") D
Receiver Net WeightATW-R1820: 425 grams (15.0 oz) (without batteries)
Body-Pack Transmitter RF Power OutputHigh: 30 mW; Low: 10 mW, nominal
Body-Pack Transmitter Spurious EmissionsUnder federal regulations
Body-Pack Transmitter Dynamic Range>105 dB, A-weighted
Body-Pack Transmitter Input ConnectionsHigh impedance, low impedance, bias
Body-Pack Transmitter BatteriesTwo 1.5V AA alkaline (not included)
Body-Pack Transmiter Current ConsumptionHigh: 180 mA; Low: 160 mA, typical
Body-Pack Transmitter Battery LifeApproximately 6 hours (High); 8 hours (Low), depending on battery type and use pattern
Body-Pack Transmitter Dimensions66.0 mm (2.60") W x 87.0 mm (3.43") H x 24.0 mm (0.94") D
Body-Pack Transmitter Net Weight80 grams (2.8 oz) (without batteries)
WarrantyAudio-Technica 1 year limited warranty