The Teufel Effekt 2 in black is a wireless speaker that delivers high-quality sound reproduction and versatile connectivity options. This compact device uses Bluetooth 5.0 for stable wireless connections up to 10 meters away and supports streaming from smartphones, tablets, and computers. It features a 3.5mm audio input for wired connections, as well as a built-in microphone for hands-free functions. With dimensions of 18.5 cm in width, 7.5 cm in height, and 6.5 cm in depth, and a weight of 650 g, the speaker is portable for various indoor and outdoor uses. Two 40mm full-range speakers and a passive radiator enhance bass and provide clear sound across a frequency range of 80 Hz to 20 kHz. The integrated rechargeable lithium-ion battery allows for up to 12 hours of continuous playback at medium volume, with a charging time of about 3 hours via the included USB-C cable. The robust plastic housing with a fabric front grille offers splash resistance according to IPX4, protecting against splashes from all directions. Controls for power on/off, volume adjustment, playback functions, and call management are conveniently located on the top. The Teufel Effekt 2 operates in a temperature range of 0°C to 40°C and features an LED display for battery status and connection mode. This speaker is suitable for personal listening, small gatherings, and background music applications where reliable wireless sound reproduction is required.