Basic Parameters

Type

Analog pickup

Shape

Circular

Installation

Ceiling mount; desktop mount

Acoustic Parameters

Pickup Range

1–150 square meters, around 7 m radius

Audio Transmission Distance

3,000 m (Requires a 0.5 mm² RVVP cable. The sound quality becomes poor beyond 3,000 m and the maximum output amplitude also decreases.)

Frequency Response

20 Hz–20 kHz

Sensitivity

–38 dB ± 1 dB (re 0 dB=1 V/Pa@1 kHz）

S/N Ratio

70 dB (1 KHz and Max dB SPL)

Gains Adjustment

0–4.6 VPP adjustable (1 KHz and Max dB SPL)

Direction Feature

Omnidirection

Dynamic Range

40 dB (1 KHz and Max dB SPL)

Total Harmonic Distortion (THD)

0.4% (1 KHz and Max dB SPL)

Overload Sound Pressure Level

82.5 dB spl (1 kHz and THD≤ 3%）

Equivalent Noise Level

≤28 dB spl (A)

Output Impedance

40.5 Ohmic non-equilibrium

Maximum Output Range

2.77 VPP (1 KHz and Max dB SPL)

Microphone

High-fidelity silicone microphone

Signal Processing

Digital noise reduction, reverberation, voice enhancement, howling suppression

General Parameters

Connection Mode

One RCA female connector and one DC pin power connector.

Transmission Cable

4-core 0.5 mm² RVVP shielded cable

Power Supply

12 VDC

Protection Circuit

8 KV Air, 6 KV contact ESD lightning protection, power polarity reverse connection protection

Drive Performance

Built-in front amplifier circuit that allows headphones to be connected to the device.

Power Consumption

<2 W

Operating Temperature

–20 °C to +60 °C (–4 °F to +140 °F)

Operating Humidity

0%–95% (RH), non-condensing

Protection

IP2X

Appearance Color

White upper cover and silver base

Casing

PC and ABS casing

Product Dimensions

Φ79.6 mm × 23.9 mm (Φ3.13" × 0.94“)

Packaging Dimensions

124 mm × 93 mm × 59 mm (4.88" × 3.66" × 2.32") (L × W × H)

Net Weight

<0.2 kg (0.44 lb)

Gross Weight

<0.2 kg (0.44 lb)