Casque TechniSat StereoMan ISI 3

The TechniSat StereoMan ISI 3 is a lightweight, comfortable wireless chin-strap headset designed for listening to TV and music at home. It supports 2.4 GHz wireless transmission and also offers an optical audio input on the transmitter. The transmitter doubles as a charging station for the headset and a spare battery. Automatic pairing makes the headphones ready for use after connection, and the headset also supports wired use. With a frequency range from 30 to 20,000 Hz and a wireless range up to 25 m, the StereoMan ISI 3 delivers clear stereo sound while remaining compact at 186 g.

Advantages

The headset combines wired and wireless connectivity for flexible use with TVs and audio sources. The transmitter functions as a charger, simplifying device management. Optical input on the transmitter enables connection to modern TVs, while automatic detection and easy controls on the headset (volume, power, mute) provide straightforward operation. The built-in microphone and mute function let you quickly switch between listening and conversation without removing the headset.

Suitable for

• Watching TV without disturbing others
• Listening to music from home audio sources
• Using with TVs that have optical audio output
• Situations requiring quick muting and local conversation

Key specifications

• Brand: TECHNISAT
• Model: StereoMan ISI 3 (MPN 0001/9130, EAN 4019588191303)
• Connectivity: Wired & Wireless (2.4 GHz)
• Frequency response: 30 – 20,000 Hz
• Wireless range: up to 25 m
• Weight: 0.186 kg
• Wearing style / Ear coupling: In‑ear, chin-strap
• Colour: Black

How to use

Connect the transmitter to the desired audio source (e.g., TV) using analogue or optical output. Place the headset on and power it on; the headphones are detected automatically and will connect to the transmitter. Use the controls on the headset to adjust volume or power. Press the mute button to temporarily fade out the audio from the connected source; when muted the built-in microphone is activated to amplify nearby sounds and conversations.

Recommendations

For best wireless performance, keep the transmitter in line of sight of the headset and avoid large obstacles between them. Charge the headset on the transmitter when not in use to ensure the spare battery is available.