The H-PAS PowerBar 235 is a 42"-long self-powered soundbar that delivers multi- channel high-fidelity sound for your home entertainment system. It features Atlantic"s patented H-PAS bass system, which produces deep, distortion-free bass without the need for a subwoofer. Using just two 4" woofers, the H-PAS PowerBar 235 reaches down to a solid 47 Hz at very high theater-like SPLs, for an absolutely convincing and totally satisfying sonic experience. The PB 235 is powered by an on-board amplifier that supplies 80 total watts RMS. It also boasts a sophisticated Digital Signal Processing with Dolby Digital and DTS that delivers two-channel sound and effectively develops a 3- or 5-channel experience for total immersion. Plus, the H-PAS PowerBar 235"s digital display can be "flipped" to read correctly whether the unit is sitting on a table or inverted on a flat-screen mount. This package also comes with the BTA-50 Bluetooth Audio Adapter. The BTAA-50 is a small "black box" receiver that when connected to the PB-235 enables streaming audio from any Bluetooth device. It turns your PB-235 into a wireless sound system for all your Bluetooth devices in an instant. Atlantic use aptX technology for the highest quality audio streaming and NFC pairing for the simplest connection to Android phones.