Sennheiser SK AVX-3 Digital Bodypack Transmitter (1.9 GHz)

Sennheiser SK AVX-3 Digital Bodypack Transmitter (1.9 GHz)
Regular price 1,680.00


Designed in collaboration with creative professionals for film and electronic news gathering (ENG) applications, the Sennheiser SK AVX Digital Bodypack Transmitter features an innovative design that is fully self-configuring which makes setup fast and easy. The system's link protection helps ensure reliable audio transmission and the AES 256 encryption helps protect your signal from unauthorized interception.

The bodypack transmitter features a 3.5mm jack and accepts either a microphone with a maximum input of 2.2V RMS (50 to 20,000 Hz response) or a line level source with a maximum input of 3.3V RMS (20 to 20,000 Hz response) for a wide variety of sources. The unit is powered by an optional Li-ion 3.7V battery and has an operating time of 15 hours.


Optimized Dynamic Range

Manages overload and distortions

Link Protection

Maintains reliable transmission

Auto Frequency Management

Streamlines and simplifies the setup process

AES 256 Encryption

Protects the system from signal interception by unauthorized parties

License Free Operation

Provides a convenient wireless transmission solution

Metal Housing

Enables daily use for professional applications

Technical Specs


Frequency Response

20 to 20,000 Hz

Dynamic Range

> 120 dB (A)


Typical 0.1%

Audio Sampling

24-bit at 48 kHz

Signal to Noise Ratio

> 90 dB (A)

RF Frequency Range

1880 to 1930 MHz (country specific)


GFSK with return channel


TDMA fast switching antenna diversity


19 ms

Temperature Range

Operation: 14 to 131° F (-10 to +55° C)
Storage: -4 to 158°F (-20 to +70°C)

Simultaneous Operation of Units

Up to 8 units simultaneously under optimal conditions


Transmission Power

100 mW average (250 mW peak), country specific

Frequency Response

Mic: 50 to 20,000 Hz
Line: 20 to 20,000 Hz

Microphone Max Input Level

Mic: 2.2 V RMS

Line Max Input Level

3.3 V RMS

Input Impedance

1 MOhm

Input Sensitivity

Automatic sensitivity adjustment

Power Supply

Optional Battery: Li-ion 3.7 V

Operating Time

Typical: 15 hour with Energy pack

Input Connector

1/8" (3.5 mm) jack


3.1 ounces (87.0 g) excluding energy pack