SONY / DWZ-B70HL

This digital wireless conference system includes a headset microphone and lavalier microphone. It features a feedback reducer to prevent feedback. It operates in the license-free 2.4GHz band and offers a wide range of features and intuitive operation.

■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 (two LR6 AA alkaline batteries)
■Battery Life: Approximately 10 hours of continuous use (at an ambient temperature of 25°C, using Sony AA alkaline batteries)

Charging Function: Attaches to the optional BC-DWZ1 Battery Charger for contactless charging of nickel-metal hydride batteries.

■ Dimensions (W x H x D): 63 x 87 x 29 mm (excluding antenna)
■ Weight: Approximately 162 g (including batteries)

■ Half-rack receiver
■ Reception method: Space diversity
■ Antenna a/b connector: BNC-R, 50 Ω
■ Frequency response: 10 Hz to 22 kHz
■ Maximum output level:
- Balanced: Mic -22 dBu / Line +24 dBu
- Unbalanced: +8 dBu
■ Reference output level
- Balanced: Mic -58 dBu / Line -12 dBu
- Unbalanced: -28 dBu
■ Power supply: External DC input: DC12V (center positive)
■ Current consumption: (at DC12V input) 220 mA
■ Dimensions (W x H x D): 168 x 44 x 96 mm (excluding antenna)
■ Weight: Approximately 510g

■Lavalier microphone
■Type: Electret condenser
■Frequency response: 60Hz - 18,000Hz
■Polar pattern: Unidirectional
■Front sensitivity: -36.0dB ±3.0dB (1kHz/Pa)
■Operating temperature: 0°C - +50°C
■Cable length: Approximately 1.2m
■Dimensions: φ15 x 25mm
■Weight: Approx. 5g (excluding connector)

■Headset Microphone
■Type: Electret Condenser
■Frequency Response: 60Hz - 18,000Hz
■Polar Pattern: Unidirectional
■Front Sensitivity: -36.0dB ±3.0dB (1kHz/Pa)
■Operating Temperature: 0°C - +50°C
■Storage Temperature: -20°C - +50°C
■Cable Length: Approx. 1.2m
■Dimensions: φ15 x 170mm
■Weight: Approx. 10g (excluding connector)

■General
■Frequency Range: 2402.0MHz - 2478.5MHz
■Occupied Bandwidth: 2.5MHz
■Radio Wave Type: F1D and F1E
■Modulation Method: GFSK
■Transmission: 24-bit 50 kHz sampling, linear PCM transmission
■ Communication distance: Approximately 100 m (when used outdoors with clear visibility; varies depending on conditions)
■ Number of simultaneous operating channels: 6
■ RF mode: Wide band (channels 1-6), Narrow band (channels a-f)
■ Latency: Approximately 3 ms (narrow band), approximately 6 ms (wide band)
■ Allowable operating temperature: 0 to 50°C
■ Allowable storage temperature: -20 to +60°C

■ 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
・Microphone holder clip x 1
・Windscreen 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 1 2