SONY / DWZ-B70HL

ヘッドセットマイクとラベリアマイクをセットにした会議用デジタルワイヤレスシステム。ハウリングを防ぐフィードバックリデューサーを搭載。免許不要の2.4GHz帯を採用し、多彩な機能を備えつつ直感的な操作性が可能です。

■ RF output level: 10mW (e.i.r.p)
■ Antenna: λ (lambda) / 4 monopole antenna
■ Frequency response: 10Hz-22kHz
■ Maximum input level: MIC -22dBu / INST, LINE + 8dBu (attenuator level: 0dB)
■ Reference input level: MIC -58dBu / INST, LINE -28dBu (attenuator level: 0dB)
■ Dynamic range: MIC 102dB (A-weighted) INST / LINE 98dB (A-weighted)
■ Power supply: 3.0V DC (2 AA alkaline batteries (LR6))
■ Battery duration: about 10 hours of continuous use (outside temperature 25 ° C, when using Sony AA alkaline batteries)
■ Charging function: Attached to the optional battery charger BC-DWZ1 to charge the nickel-metal hydride rechargeable battery in a non-contact method.
■ Outer dimensions (width x height x depth): 63 x 87 x 29 mm (excluding antenna)
■ Weight: about 162g (including batteries)

■ Half rack receiver
■ Reception method: Space diversity
■ Antenna a / b terminal: BNC-R, 50Ω
■ Frequency response: 10Hz-22kHz
■ Maximum output level:
・ Balance Mic -22dBu / Line + 24dBu
・ Unbalance + 8dBu
■ Reference output level
・ Balance MIC -58dBu / Line -12dBu
・ Unbalance -28dBu
■ Power supply: external DC input: DC12V (center plus)
■ Current consumption: (DC12V input) 220 mA
■ Outer dimensions (width x height x depth): 168 x 44 x 96 mm (excluding antenna)
■ Weight: about 510g

■ Lavalier microphone
■ Model: Electret condenser type
■ Frequency characteristics: 60Hz-18,000Hz
■ Directivity: Unidirectional
■ Frontal sensitivity: -36.0dB ± 3.0dB (1kHz / Pa)
■ Allowable operating temperature: 0 ℃ to + 50 ℃
■ Cable length: About 1.2m
■ Outer dimensions: φ15 x 25mm
■ Weight: about 5g (excluding connector)

■ Headset microphone
■ Model: Electret condenser type
■ Frequency characteristics: 60Hz-18,000Hz
■ Directivity: Unidirectional
■ Frontal sensitivity: -36.0dB ± 3.0dB (1kHz / Pa)
■ Allowable operating temperature: 0 ℃ to + 50 ℃
■ Allowable storage temperature: -20 ℃ ～ + 50 ℃
■ Cable length: About 1.2m
■ Outer dimensions: φ15 x 170mm
■ Weight: about 10g (excluding connector)

■ General
■ Operating frequency range: 2402.0Mhz ~ 2478.5Mhz
■ Occupied frequency bandwidth: 2.5Mhz
■ Radio type: F1D and F1E
■ Modulation method: GFSK
■ Transmission: 24bit 50Khz sampling linear PCM transmission
■ Communication distance: about 100m (when used outdoors with good visibility: Varies depending on conditions)
■ Number of channels operated simultaneously: 6ch
RF mode: Wide band (1-6) ch, Narrow band (a-f) ch
■ Delay: about 3ms (when in narrow band), approximately 6ms (when in wide band)
■ Allowable operating temperature: 0 to 50 degrees
■ Allowable storage temperature: -20 to +60 degrees

■ Accessories:
・ Bodypack transmitter x 1
・ Half rack receiver x 1
・ Headset microphone x 1
・ Cord clip x 1
・ Headband x 1
・ Lavalier microphone x 1
・ Mic holder clip x 1
・ Wind screen x 2
・ Antenna x 2
・ Belt clip x 1
・ Belt clip fixing screw x 1
・ AC adapter x 1
・ Instruction manual x 1
・ Warranty card x 2