A100 microphone

✅ Key features / specs

Here are some of the the advertised / documented specifications and features of the A100:

It is a wireless lavalier (clip-on) microphone system with two transmitters (each with built-in microphones) and a dual-channel receiver.
B&H Photo Video
+1

Receiver has interchangeable plug-in adapters: USB-C and 3.5mm (TRS) audio adapters, so you can connect to smartphones or cameras, etc.
Amazon
+3
B&H Photo Video
+3
B&H Photo Video
+3

Wireless transmission is on 2.4 GHz, and line-of-sight range is quoted at ~ 65.6 ft (≈ 20 m or more).
B&H Photo Video
+1

Noise reduction: has 3 levels of noise reduction / noise cancellation built in.
ULANZI
+3
B&H Photo Video
+3
Manuals+
+3

Audio specs: sampling rate ~ 32 kHz, 16 bit.
Manuals+
+2
device.report
+2

Frequency response: about 20 Hz to 20 kHz.
device.report
+2
Raizel Mart
+2

Microphone sensitivity: approx -38 ± 2 dB.
device.report
+2
Raizel Mart
+2

Polar / pickup pattern: omnidirectional (i.e. picks up sound from all directions).
device.report
+2
Raizel Mart
+2

Sound pressure / maximum SPL: quoted ≥ 115 dB SPL.
Raizel Mart
+1

Battery / runtime:
  • Transmitter (TX) runs ~ 5 hours on a single charge; charging time ~ 1.5h.
Manuals+
+2
Raizel Mart
+2

  • Receiver (RX) runs ~ 4 hours on a single charge; same ~1.5h to charge.
device.report
+2
Raizel Mart
+2

  • Comes with a charging case: allows recharging TX & RX more than twice (i.e. extends overall runtime).
device.report
+2
B&H Photo Video
+2

Plug & play: no special app required. It can be used for webcasting, vlogs, interviews, video teaching, etc.
Manuals+
+2
buyme.com.bd
+2

Build / size: quite compact transmitters; the transmitters weigh ~ 8.8g each, dimensions ~ 43×18×18 mm. Receiver is ~ 48×25×13 mm, weight ~ 9.6g.
Raizel Mart
+2