[. . . ] Built for the gigging musician in mind, the NX720S uses a single long excursion neodymium magnet 15-inch woofer to deliver maximum impact in the 45 to 125 Hz range. [. . . ] Built for the gigging musician in mind, the NX720S uses a single long excursion neodymium magnet 15-inch woofer to deliver maximum impact in the 45 to 125 Hz range. The integrated power section in the NX720S uses an ingenious input / output system. XLR balanced inputs as well as 1/4-inch TRS balanced inputs ensure you can hook the NX720S to any audio source. The NX720S uses a solid 5/8th-inch 11-ply Russian birch plywood cabinet construction with an all-metal heavy gauge perforated grille to protect the speaker and electronic components. Integrated all metal bar handles and metal speaker-stand pole-mount have been included. NX720S Specifications: Model SYSTEM TYPE: POWER (Watts) MAX SPL (dB) FREQUENCY RESPONSE (Hz) CROSSOVER FREQUENCY (Hz) DRIVER PROTECTION ELECTRONIC LIMITING COOLING POWER CONSUMPTION INPUTS ­ 1/4-inch INPUTS ­ XLR OUTPUTS - XLR LEVEL CONTROL TONE SHAPING HARDWARE ENCLOSURE MATERIALS DIMENSIONS (in HxWxD) DIMENSIONS (cm HxWxD) WEIGHT (lbs / kg) NX720S Active Subwoofer 720 128 45 - 125 90 ­ 150 (selectable) 15-inch Neodymium (3-inch Voicecoil) Over excursion / Thermal / Clip limit RMS / Peak / Current Passive Convection Cooling 230VAC 50Hz 1. 2A 276VA (typical) 360VA (max) 120VAC 60Hz 2. 4A 288VA (typical) 360VA (max) 2 (selectable line or speaker level, link thru) 2 (XLR-M L&R input) 2 (XLR-F L&R link thru) Main Volume HF Roll Off (90-150Hz) 45 ­ 90Hz variable boost Metal Bar Handles (x2), Pole mount adaptor (top) Perforated Heavy Gauge all metal grille 15mm (5/8-inch) 11-ply Russian birch 22. 75 x 18 x 21. 5 57. 8 x 46 x 54. 6 73 / 33 yorkville. com [. . . ] The NX720S uses a solid 5/8th-inch 11-ply Russian birch plywood cabinet construction with an all-metal heavy gauge perforated grille to protect the speaker and electronic components. [. . . ]