Product Detail
The Bosch LB20 - SW400 - L is a remarkable white subwoofer. It's a compact yet high - performance dual 10 - inch (254 mm) woofer loudspeaker. Ideal for both professional and commercial sound needs, it's perfect for playing background and foreground music and sound reinforcement. Whether indoors or outdoors, in places like restaurants, bars, patios, retail stores, fitness clubs, hospitality venues, theme parks, and more, this subwoofer is a great choice. It's easy to install, offers flexible mounting options, and has good weather resistance. Key features include two 10 - inch high - excursion woofers, engineered for outdoor use (IP54 and IP65) without sacrificing performance. With 400 W power handling, it can reach a maximum SPL of 120 dB (126 dB peak). Technical specs: Frequency response is 33 Hz - 500 Hz, sensitivity is 94 dB, max SPL (calculated) is 120 dB (126 dB Peak), power handling is 400 W (1600 W Peak) Continuous Pink Noise (100 hours). It has low Z, nominal impedance is (2) 8 (stereo mode); (1) 4 (mono mode), recommended high - pass is 40 Hz (24 dB/octave). The input transformer (70 V/100 V) and transformer taps are optional accessories. It has two 10 - inch (254 mm) LF transducers and two removable locking 4 - pin connectors (Euroblock) for input and output. It's IP - 54 (per IEC - 60529) and IP - 65 with port covers, available in black (RAL 9004) or white (RAL 9003). Dimensions are 356 mm x 651 mm x 491 mm (14.0 in x 25.6 in x 19.3 in), net weight is 17.9 kg (39.5 lb), shipping weight is 21 kg (46.3 lb), and it comes with (2) subwoofer feet, Allen wrench, weather input cover, (8) screws for the weather input cover, (2) IP65 port covers, (12) IP65 port cover screws.
Using the Bosch LB20 - SW400 - L subwoofer is easy. First, decide on the location, whether it's indoors or outdoors. Make sure to choose a stable surface for installation. You can use the included subwoofer feet and screws to mount it. Connect the audio source using the two removable locking 4 - pin connectors (Euroblock). For outdoor use, put on the weather input cover and IP65 port covers to protect it from the elements. When using it, keep in mind that the recommended high - pass is 40 Hz. This helps to get the best sound quality. Don't exceed the power handling limit of 400 W continuous or 1600 W peak to avoid damaging the subwoofer. For maintenance, regularly check the connectors to ensure they are clean and properly attached. Wipe the subwoofer with a dry cloth to keep it clean. If you use it outdoors, make sure to check the weatherproof covers for any signs of damage and replace them if necessary.
