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Home > Pro Audio > Microphones & Wireless Systems > Wireless Systems > Handheld Microphone Wireless Systems > Audio-Technica ATW-1821 1800 Series Dual Channel Camera Mount UHF Wireless System

Handheld Microphone Wireless Systems

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  • Overview
  • Details
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Item #: 275098 544
Mfg #: ATW-1821D

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Price: $1,395.00
Availability: This is a special order item. Please call (888) 731-5396 for an estimated ship date.

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#275098 544 Band D

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Product Overview

Clean, accurate reproduction for lecturers, stage/TV performers and singers..

  • System
    Two completely independent receiver channels in a single unit, for simultaneous operation of two microphones
    Compact dual receiver is easy to mount on a camera
    True Diversity operation for resistance to multi-path interference and dropouts
    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
    Headphone monitor output with independent level control
    Battery fuel-level indicators on transmitters and receiver
    Soft-touch controls for easy frequency selection
    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
    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 or by external 12V DC power (not included)
    System components of the 1800 Series and 3000 Series Wireless Systems can be used interchangeably

    Omnidirectional Condenser Lavalier Microphone
    Small size provides excellent yet unobtrusive sound pickup
    High intelligibility for lecturers, stage/TV performers and singers
    Wide-range capability ensures clean, accurate reproduction
Product Details

Audio-Technica ATW-1821 1800 Series Dual Channel Camera Mount UHF Wireless System

The Audio Technica ATW-1821 Camera Mount UHF Wireless System includes the ATW-R1820 single-channel receiver, two ATW-T1801 UniPak body-pack transmitters and two omnidirectional lavalier microphones. The ATW-1821 offers UHF reception of 996 user-selectable frequencies in 25 kHz steps. The ATW-1821 also features automatic frequency scanning, Tone Lock squelch, back-lit LCD, soft-touch buttons, headphone monitor output with independent level control, and durable metal construction. Audio-Technica's ATW-1821 camera-mount wireless microphone system provides an extremely flexible, professional, and easy-to-use portable wireless solution.

ATW-R1820 single-channel receiver

The ATW-R1820 dual receiver has 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.

ATW-T1801 UniPak body-pack transmitter

The ATW-T1801 UniPak body-pack transmitter features a professional locking 4-pin connector compatible with all Audio-Technica Wireless Essentials microphones. The ATW-T1801 transmitter offers selectable high and low transmission modes to conserve battery life/maximize power.

Omnidirectional Condenser Lavalier Microphone

The Omnidirectional Condenser Lavalier Microphone is designed to be worn as a lavalier or hidden in loose clothing or in the hair. The wide-range capability of the Omnidirectional lavalier microphone ensures clean, accurate reproduction for lecturers, stage/TV performers and singers. It is terminated with locking 4-pin connector for the Audio Technica A-T UniPak body-pack wireless transmitter. Has a 55" (1.4 m) cable and includes a windscreen and clothing clip.

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  • Overall System
    UHF Operating Frequencies: Band C: 541.500 to 566.375 Mhz; Band D: 655.500 to 680.375 MHz
    Number of Operating Frequencies: 996 total per band (25 kHz increments)
    Frequency Stability: ±0.005%, Phase Lock Loop frequency control
    Modulation Mode: FM
    Normal Deviation: ±10 kHz
    Operating Range: 300' (100 m) typical
    Operating Temperature Range: 23° F (- 5° C) to 113° F (45 ° C)
    Frequency Response: 70 Hz to 15 kHz

    ATW-R1820 Dual-channel receiver
    Receiving System: Dual independent RF sections, automatic-switching diversity
    Image Rejection: >50 dB typical
    Signal-to-Noise Ratio: 104 dB at 30 kHz deviation (A-weighted), maximum modulation 37 kHz
    Total Harmonic Distortion: <1% (±10 kHz deviation at 1 kHz)
    Sensitivity: 25 dBuV, (S/N 60 dB at 5 kHz deviation, A-weighted)
    Audio Output (balanced): 27 mV (at 1 kHz, ±5 kHz deviation)
    Output Connector: 3-pin mini XLR (TA3M-type)
    Monitor Headphone Output (typical): 35 mW max., 32 ohm load
    Monitor Headphone Jack: 3.5 mm TRS, signals on both Tip and Ring
    External Power Requirements: 12V DC nominal, 500 mA
    Batteries (not included): six 1.5V AA alkaline (not included)
    Current Consumption (battery): 600 mA typical
    Battery Life: 6 hours typical, depending on battery type and use pattern
    Dimensions: 3.35" (85.0 mm) W x 5.24" (133.0 mm) H x 1.42 (36.0 mm") D
    Net Weight: (without batteries) 15.0 oz. (425 grams)
    Accessories Included: Two flexible UHF antennas; two 18" TA3F to XLRM
    output cables; belt pouch

    ATW-T1801 UniPak body-pack transmitter
    RF Power Output: High: 30 mW; Low: 10 mW, nominal
    Spurious Emissions: Under federal regulations
    Dynamic Range: >105 dB, A-weighted
    Input Connections: High impedance, low impedance, bias
    Batteries (not included): Two 1.5V AA alkaline
    Current Consumption: High: 180 mA; Low: 160 mA, typical
    Battery Life: Approximately 6 hours (High); 8 hours (Low), depending on battery type and use pattern
    Dimensions (W x H x D): 2.60" x 3.43" x 0.94" (66.0 x 87.0 x 24.0 mm)
    Net Weight (without batteries): 2.8 oz (80 grams)

    Omnidirectional Condenser Lavalier Microphone
    Element: Fixed-charge back plate, permanently polarized condenser
    Polar pattern: Omnidirectional
    Frequency response: 30-20,000 Hz
    Open circuit sensitivity: -34 dB (19.9 mV) re 1V at 1 Pa
    Impedance: 200 ohms
    Maximum input sound level: 131 dB SPL, 1 kHz at 1% T.H.D.
    Dynamic range (typical): 107 dB, 1 kHz at Max SPL
    Signal-to-noise ratio: 70 dB, 1 kHz at 1 Pa
    Phantom power requirements: 9-52V DC, 2 mA typical
    Weight: 0.05 oz (1.3 g)
    Dimensions: 0.62" long x 0.33" wide x 0.19" thick, (15.8 mm long x 8.5 mm wide x 5.0 thick mm)
    Output connector: Integral 3-pin XLRM-type
    Cable: 55" (1.4 m) 2-conductor, shielded cable with TA3F output connector
    Accessories furnished: clothing clip; windscreen
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