Saramonic Blink900 B2R wireless microphone kit with 2 transmitters
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The Saramonic Blink900 B2R is a wireless audio kit with 2 transmitters and a dual-channel receiver for interviews, video production, live streams and remote lectures. Each transmitter combines a built-in microphone with a 16 GB recorder, allowing audio capture without connecting the receiver to a camera.
Connections and audio control
Included cables connect the system to devices with 3.5 mm TRS or TRRS, Lightning and USB-C sockets, including cameras, smartphones, tablets and computers. Wireless transmission reaches up to 200 m.
- Level control: manual gain adjustment from 0 to 6 and automatic Auto Gain mode.
- Channels and filtering: stereo or mono operation and a low-pass filter with 160, 120 and 80 Hz settings.
- Monitoring: the receiver's 3.5 mm headphone socket supports real-time listening.
- Controls: colour LCD screens with automatic brightness adjustment and transmitter mute buttons.
Recording and charging
Each transmitter stores up to 48 hours of recordings. Transmitter battery life is approximately 5.5 hours without internal recording or 4.5 hours while recording. The charging case charges both transmitters and the receiver simultaneously and provides up to 3 full set recharges when fully charged.
Clips attach the transmitters to clothing. The kit also includes 2 Saramonic DK3G lavalier microphones and 2 furry windshields.
| Model | Saramonic Blink900 B2R |
|---|---|
| Receiver digital transmission | 2.4 GHz |
| Receiver range | Up to 200 m |
| Receiver frequency response | 20 Hz–20 kHz |
| Receiver maximum sound pressure level | 100 dB SPL (1 kHz @ 1 m) dBu |
| Receiver signal-to-noise ratio | > 80 dB |
| Receiver sampling rate | 48 kHz |
| Receiver bit depth | 24 bit |
| Receiver signal interference | ≤ 0.1 % |
| Receiver audio outputs | 3.5 mm headphones; 3.5 mm TRS |
| Receiver power supply | Built-in rechargeable battery, 450 mAh |
| Receiver runtime per charge | 6 h with 2 transmitters operating |
| Receiver antenna | PiFA |
| Receiver dimensions | 46 × 46 × 16.4 mm |
| Receiver weight | 35.3 g |
| Transmitter microphone | Built-in, 4 mm capsule |
| Transmitter microphone polar pattern | Omnidirectional |
| Transmitter digital transmission | 2.4 GHz |
| Transmitter range | Up to 200 m |
| Transmitter frequency response | 20 Hz–20 kHz |
| Transmitter maximum sound pressure level | 100 dB SPL (1 kHz @ 1 m) dBu |
| Transmitter signal-to-noise ratio | > 75 dB |
| Transmitter sampling rate | 48 kHz |
| Transmitter bit depth | 24 bit |
| Transmitter signal interference | ≤ 0.1 % |
| Transmitter audio connection | 3.5 mm TRS, microphone/line |
| Built-in memory per transmitter | 16 GB |
| Transmitter power supply | Built-in rechargeable battery, 400 mAh |
| Transmitter runtime per charge | Approximately 5.5 h without the built-in recorder; approximately 4.5 h while recording |
| Transmitter antenna | FPC |
| Transmitter dimensions | 36 × 36 × 12.5 mm |
| Transmitter weight | 19.5 g |
| Blink900 B2 BOX case power supply | USB-C, 5 V / 1.5 A |
| Charging case battery capacity | 4500 mAh |
| Charging case charging time | < 4 h |
| Charging case dimensions | 186 × 87.2 × 51 mm |
| Charging case weight | 278 g |
| Gain adjustment | 0–6; Auto Gain |
| Low-pass filter settings | 160, 120 and 80 Hz |
| Receiver audio modes | Stereo / mono |
| Displays | Colour LCD; automatic brightness adjustment from 1 to 10 |
| Recording capacity per transmitter | Up to 48 h |
| Recharges from charging case | Up to 3 full recharges of the receiver and transmitters |
| EAN | 6974700654389 |
|---|
What is included?
A Blink900 RX receiver, 2 Blink900 TXR transmitters, 2 furry windshields, a Blink900 B2 BOX charging case, 2 Saramonic DK3G lavalier microphones and these cables: USB-A to USB-C, 3.5 mm TRS to TRS, 3.5 mm TRS to TRRS, 3.5 mm TRS to USB-C and 3.5 mm TRS to Lightning.
Can the transmitters record without an external recorder?
Yes. Each transmitter has its own recorder and 16 GB of memory for up to 48 hours of recordings. Recording does not require the receiver to be connected to a camera.



















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