Stereo portable speaker TECHNISAT ISIBOX 1 — 4 W RMS, wired & wireless, built-in battery, USB-C, black

The TECHNISAT ISIBOX 1 is a compact stereo portable speaker with a 4 W RMS output designed for versatile audio use. It combines wired and wireless connectivity, a built-in rechargeable battery and USB-C charging to provide an easy-to-use sound solution for televisions, mobile devices and general playback in homes or on the move. The black housing and small footprint make it suitable for placement near a TV set, on a desk or for taking along when travelling.

Advantages

The speaker provides true stereo sound in a small form factor and supports both wired AUX input and wireless connections for flexible integration with TVs, smartphones and other audio sources. The built-in Lithium‑Ion battery delivers several hours of playback on a single charge and charges via USB‑C at 5–10 W, which simplifies recharging with modern chargers and power banks. The simple controls and compact design make it easy to move and place the unit where additional sound is needed without complex setup.

Suitable for

• Enhancing TV sound in small to medium rooms
• Portable audio for travel, picnics or workspaces
• Supplementary speaker for laptops and mobile devices
• Temporary audio solution for meetings or presentations

Key specifications

• Audio output: 4 W RMS stereo
• Connectivity: wired AUX in and wireless audio (Bluetooth compatible)
• Battery type and capacity: Lithium‑Ion, 2800 mAh
• Playback time: up to 6 hours (depending on volume and source)
• Charging: USB‑C input, 5–10 W charging power
• Colour: black
• Form factor: compact portable speaker

How to use

Connect the ISIBOX 1 to a power source using a USB‑C cable to charge the internal battery before first use. For wired playback connect an audio source to the AUX input; for wireless playback pair a Bluetooth device following the pairing procedure in the user manual. Place the speaker on a stable surface near the TV or listening position. Use the unit controls to adjust volume and playback as required. Charging and playback indicators show battery status and connection state.

Recommendations

For best battery life, fully charge the speaker before prolonged use and avoid storing it discharged for long periods. When using the ISIBOX 1 with a television, position the speaker centrally or beside the TV to improve dialogue clarity. Use a low‑to‑moderate volume setting to extend playback time and avoid distortion.