Battery-powered active 12" 2-way loudspeaker Bluetooth TWS - Definitive Audio SOG-7200_INPUL_12BA_DS

The Definitive Audio INPULSE 12 BA DSP is an active 2-way bi-amplified loudspeaker powered by a 14.8 VDC, 5400 mAh lithium battery for autonomous operation. It combines a 12" woofer with a 1.5" coil and a 1" tweeter; amplification uses Class-D for the bass section and Class-AB for the treble. Bluetooth TWS allows 2 loudspeakers to be linked for stereo playback. The system can be used in the normal position or as a Stage Return, for DJ work, live events, conferences, and fixed or mobile installations.

The built-in DSP provides 4 programmes: music, live, speech and DJ. Three adjustments are available for bass, midrange and treble, together with filter settings at 80, 100, 120 or 150 Hz. The Delay function reaches up to 16 ms; control features also include LED ON/OFF, limiter, screen brightness and contrast adjustment, and a volume level knob. The Bluetooth V5.2 link reaches 20 m with a compatible device, while the BT TWS wireless stereo link between 2 INPULSE loudspeakers also has a maximum range of 20 m. Indicators show charging and battery status.

Output power is 200 W RMS, 400 W programme and 800 W maximum. Dispersion is 90° × 60°, cut-off frequency is 2.5 kHz, frequency response is 53 Hz–19 kHz, and maximum SPL is 118 dB. Inputs 1 and 2 each provide 1 XLR/6.35 mm combo socket; input 3 includes RCA, a 3.5 mm stereo mini-jack and a BT TWS mini-jack. The LINK output is a male XLR.

The enclosure is made from injected polypropylene and includes a standard 35 mm stand fitting plus 3 recessed handles: 1 on the top and 2 on the sides. It is equipped with a Schuko mains connection, an ON/OFF main switch, and an input voltage selector for 110/220 V AC with a charging position. Battery life is 7 hours at full volume and 11 hours at 50% volume. Dimensions, stated as width × height × depth, are 350 × 595 × 348 mm; weight is 13 kg.