40W total power (2x16W low-frequency, 2x4W high frequency); Frequency response 50Hz to 20kHz; Four Class-D Amplifiers, bi-amped system; Two way 2x3" neodymium woofers & 2x3/4" neodymium tweeters; High performance bass-reflex port; 1/4" iRig input for connecting guitars and dynamic microphones to iOS devices; Bluetooth compatible with A2DP protocol; 1/8" stereo analog line input; DSP controlled; Superior low-frequency extension and sound accuracy; Auto Standby; Integrated high-performance Li-Ion rechargeable battery; Battery duration at maximum volume: up to three hours. Normal usage: up to ten hours; Size: 250mm/9.84" x 160mm/6.3" x 60mm/2.36" (W x H x D); Weight: 1,330g/46.91oz; iLoud is designed to be used with most Bluetooth®-enabled devices including iPhone, iPad, iPod touch, Android smartphones and tablets, and most Mac or PC computers. It's also equipped with a wired input for connecting an MP3 player or other non-Bluetooth device, using a standard 1/8" (mini) cable. The iRig input works with iOS devices running AmpliTube, VocaLive or other audio-processing applications. To use the iRig input with iPhone 7 Plus and iPhone 7, Apple's Lightning to 3.5 mm Headphone Jack Adapter (TRRS) is required. ; M-M TRRS audio cable available separately; Power supply with detachable cable available as barcoded item;