Audio-Technica ATW-1821D Wireless Dual Lavalier Microphone System (655.500-680.375 MHz)

Price: $1995.00
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Dual Camera-Mount UHF Lavalier Wireless Microphone System - Band D (655.500 to 680.375 MHz)

Includes ATW-R1820D dual-channel receiver, two ATW-T1801D UniPak body-pack transmitters and two lavalier microphones.

With UHF reception (996 frequencies user-selectable in 25 kHz steps), Audio-Technica's 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.

For those using a single microphone, the single-channel 1800 Series systems include the ATW-R1810 single-channel receiver.

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. The ATW-T1802 plug-on transmitters feature a locking XLR connector for adapting dynamic and condenser microphones. Both transmitters offer selectable high and low transmission modes to conserve battery life/maximize power.

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.
  • 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
  • Operating Frequencies: UHF Band C: 541.500 to 566.375 MHz
  • UHF Band D: 655.500 to 680.375 MHz
  • Number of Channels: 996 total per band
  • Frequency Stability: ±0.005%, Phase Lock Loop frequency control
  • Minimum Frequency Step: 25 kHz
  • Modulation Mode: FM
  • Normal Deviation: ±10 kHz
  • Operating Range: 100 m (300') typical
  • Operating Temperature Range: 23° F (- 5° C) to 113° F (45° C)
  • Frequency Response: 70 Hz to 15 kHz
  • 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 dBµV, (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 (per channel)
  • Monitor Headphone Jack: 3.5 mm TRS, signals on both Tip and Ring
  • External Power Requirements: 12V DC nominal, 500 mA
  • Batteries: ATW-R1820: Six 1.5V AA alkaline (not included); ATW-R1810: Four 1.5V AA alkaline (not included)
  • Current Consumption: Dual-channel Operation: 600 mA typical; Single-channel Operation 350 mA typical
  • Battery Life:
    Dual-channel Operation (ATW-R1820): 6 hours typical*
    Single-channel Operation (ATW-R1810): 10 hours typical*
    * depending on battery type and use pattern
  • Dimensions:
    ATW-R1820: 85.0 mm (3.35") W x 133.0 mm (5.24") H x 36.0 mm (1.42") D
    ATW-R1810: 75.0 mm (2.95") W x 125.0 mm (4.92") H x 32.0 mm (1.25") D
  • Net Weight:
    ATW-R1820: 425 grams (15.0 oz) (without batteries)
    ATW-R1810: 300 grams (10.5 oz) (without batteries)
  • Accessories Included:
    ATW-R1820: Two flexible UHF antennas; two 18" TA3F to XLRM output cables; belt pouch
    ATW-R1810: Two flexible UHF antennas; 18" TA3F to XLRM output cable; belt pouch
  • 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: Two 1.5V AA alkaline (not included)
  • 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: 66.0 mm (2.60") W x 87.0 mm (3.43") H x 24.0 mm (0.94") D
  • Net Weight: 80 grams (2.8 oz) (without batteries)
  • ATW-R1820D Dual-Channel Receiver
  • 2 x ATW-T1801D UniPak Bodypack Transmitters
  • 2 x Omnidirectional Lavalier Microphones
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Brand Audio-Technica
Model ATW-1821D
Part Number ATW-1821D
UPC 042005146352
Product Category Wireless Camera Systems, Wireless Lavalier Systems
Unit of Measure EACH
Shipping Weight 3.15 lbs.
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