RCF Digital active speaker system 15 + 1.75 v. RCF - ART A915-AX Two-Way 15 2100W Powered PA Speaker with Bluetooth. ART 915-AX is a top-notch solution for any audio application, featuring 48V microphone preamps and line inputs, an internal 6-channel digital mixer with advanced DSP, Bluetooth® stereo audio input, with dual speaker pairing option.The combination of a 1.75" compression driver, 15" woofer, and two-channel 2100W amplifier, produces 100° x 60° constant directivity coverage for the listening area with up to 131 dB SPL, distortion-free sound. The sleek cabinet uses a special polypropylene composite material with an M-brace internal reinforcement, making it easy to carry and secure to install on a pole, flown-, wall-, or truss-mounted using the multiple rigging points available. Bluetooth® stereo audio input, with dual speaker pairing option. Advanced User Interface w/ touch panel and remote control. 716.3 x 414 x 408.9. 1 x 1/4 TRS Jack 1 x 3.5mm stereo jack 1 x XLR 2 x XLR / Jack Combi.