Digital wireless microphone systemOFDM

OFDM digital wireless microphone system

Features

  • High sound quality Audio transmission mode Uncompressed 24-bit/48 kHz and 8-bit ADPCM
  • Superior radio wave propagation Maximum ratio combining diversity
  • Low latency 1 ms or less
  • Remote terminal function Monitoring of transmitter settings with an operating terminal
  • PC management function Monitoring of the transmitter state, logger function
  • Large-capacity rechargeable battery Operable for 6 consecutive hours

Transmitter TWO-T120/TWO-H120

Features

  • Using a replaceable handheld microphone capsule
  • Using a built-in transmission antenna, offering low-loss, superior radio wave propagation characteristics
  • Always operable remote terminal functions
  • Using a large-capacity rechargeable battery for long-time continuous operation (6 hours)

Specifications

Item Specifications
TWO-H120 (handheld type) TWO-T120 (two-piece type)

Operating frequency band 1240.325 MHz to 1259.675 MHz (excluding 1251.700 MHz to 1253.300 MHz)
Maximum number of channels used: 23
800 kHz step, 32 groups
Antenna power 20 mW/10 mW/2 mW
Occupied bandwidth 600 kHz
Transmission system OFDM

Frequency characteristics 20 Hz to 22 kHz
Total harmonic distortion ratio 0.003% or less
Dynamic range 120 dB (A-weighted)
Sampling frequency 48 kHzv
Low-cut frequency 60/80/100/125 Hz, 12 dB/oct
Level setting Gain (3 dB step) Sensitivity (1 dB step)
-21 dB to +21 dB LINE setting: +4 dB to -16 dB

MIC setting: -24 dB to -75 dB
Information compression Linear PCM/ADPCM
Indicators Display LCD
LED Power supply state display
Audio level display

Connector
Power
supply
Battery Dedicated battery (lithium rechargeable battery) and AA cell battery (× 2) (optional) Dedicated battery (lithium rechargeable battery)
Operating time (10 mW output, 25°C) (When the dedicated battery is used) 6 hours or more Sensitivity (1 dB step)
(When AA cell batteries are used) 1 hour or more
General Dimensions Ø37mm, height 185 mm Width 69 mm, height 110 mm, depth 23 mm (not including protruding portions)
Operating temperature/humidity 0°C to +40°C, +20% to +90% (No condensation)
Standard Compliant with ARIB STD-T112

Receiver TWO-R120

Features

  • Design that uses the 200 MHz band for antenna input to reduce coaxial cable losses
  • Digital audio output with a built-in SRC, compatible with 48 kHz/96 kHz external synchronization and output
  • Incorporating a LAN port for external remote control
  • PC applications for the receiver are available

Specifications

Item Specifications

Operating frequency band 1240.325 MHz to 1259.675 MHz (excluding 1251.700 MHz to 1253.300MHz)
Maximum number of channels used: 23
800 kHz step, 32 groups
Reception sensitivity -85 dBm or less
Audio Frequency bandwidth 20 Hz to 22 kHz
Total harmonic distortion ratio 0.003% or less
Dynamic range 120 dB (A-weighted)
Analog output Balance (600Ω load)
Analog output level LINE output: -15 dBu (reference level), +21 dBu (maximum level)
MIC output: -51 dBu (reference level), -15 dBu (maximum level)
Sampling frequency 48kHz
Number of quantization bits 24bit
Headphone output Unbalance (35Ω load)
Headphone output power 50 mW or more (35Ω load)
Digital output AES/EBU (AES3id-compliant)
Sampling frequency: 48 kHz/96 kHz
SRC: ON/OFF
Digital output reference level -36 dBFS to -18 dBFS (2 dB step)
Digital audio external synchronization signal WORD CLOCK
48kHz or 96kHz
Indicators Display Antenna synchronization display, audio level display, ALARM display, WORD synchronization display, LOCAL signal display, headphone output selection state display


Interface Antenna input connector (ANT A/B) BNC-J (50Ω) × 2 (DC 12V superimposition)
Antenna output connector (ANT A/B) BNC-J (50Ω) × 2
Analog audio output connector XLR-3-32 equivalent × 2
Digital audio output connector BNC-J(75Ω)×2
Digital audio synchronization signal
I/O connector
Input: BNC-J (75Ω) × 1
Output (through): BNC-J (75Ω) × 1
Headphone output jack Ø6.3 stereo phone jack × 1
LAN connector RJ-45 modular jack × 1
General Power supply AC100V, 50Hz / 60Hz
Dimensions Width: 480 mm; height: 44 mm; depth: 430 mm (not including the rubber feet protruding portions)
Operating temperature/humidity -10°C to +50°C, +20% to +90% (No condensation)
Standard Compliant with ARIB STD-T112

Antenna TWO-A120/TWO-AY120

Specifications

Item Specifications

Input frequency 1240 MHz to 1260 MHz
Output frequency 198 MHz to 219 MHz
Attenuator 0dB / 20dB
Antenna input terminal N-J(50Ω) ×1
Antenna output terminal BNC-J(50Ω) ×1
General Power supply DC 12 V (supplied by the receiver or the mixing/distributing device)
Dimensions Width: 77 mm; height: 120 mm; depth: 43 mm (not including protruding portions)
Operating temperature/humidity -10°C to +50°C, +20% to +90% (No condensation)
Standard Compliant with ARIB STD-T112

Mixing/distributing device TWO-D120

Features

  • Capable of expanding the reception area by mixing antenna outputs with the mixing/distributing device

Specifications

Item Specifications

Passing frequency 198 to 219 MHz
Passing gain 0dB
Interface Antenna input connector (ANT A/B) BNC-J (50 Ω) × 4 (DC 12 V, local 45 MHz superimposition)
Antenna output connector (ANT A/B) BNC-J(50Ω)×8
Local input BNC×1(50Ω)
Local output BNC×1(50Ω)
General Power supply AC 100 V, 50 Hz/60 Hz
Dimensions Width: 480 mm; height: 44 mm; depth: 430 mm; (not including the rubber feet protruding portions)
Operating temperature/humidity -15°C to +50°C, +20% to +90% (No condensation)
Standard Compliant with ARIB STD-T112

Charger TWO-BC120

Specifications

Item Specifications
Display
  • Power supply LED × 1
  • Charging LED × 6
  • LCD×1
Functions Normal charging Charging the rechargeable battery pack
Recovery charging Restoring and charging a rechargeable battery pack that is in an over-discharged state
Storage mode Adjusting the remaining power of a rechargeable battery pack to a level appropriate for long-time storage
Rechargeable battery monitoring
  • Voltage
  • Remaining power
  • Temperature
  • Cell lifetime
  • Charging time
Power supply DC+12V
Supplied by an AC adapter
Dimensions Width: 410 mm; height: 110 mm; depth: 250 mm (not including protruding portions)
Operating temperature/humidity -10°C to 50°C, +20% to +90% (No condensation)

Remote repeater TWO-RM120

Specifications

Item Specifications
  Communication distance 10m
Maximum number of slaves 8
Standard  
Interface LAN connector RJ-45 modular jack × 1
Display switch   LINK/ACT、SPEED
General Power supply DC-48V (supplied by PoE)
Dimensions Width: 82 mm; height: 121 mm; depth: 23 mm (not including protruding portions)
Operating temperature/humidity -10 to +50°C, 20 to 90% (No condensation)
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