KAB-215 2x15W Class D Audio Amplifier Board with Bluetooth 2.1 The extremely versatile Audio KAB-215 Bluetooth Amplifier Board allows for quick and easy addition of audio to any project, speaker build, point of purchase display, kiosk, or any location where audio enhances the experience. With an output of 2 x 15 watts, there is more than enough power to drive stereo speakers, yet the board is small enough to integrate into nearly any project. Product Highlights - Efficient 2x15 watts of power from the Texas Instruments TPA3110 amp chip - Bluetooth 2.1 built directly into board -- no need for a separate module - Board includes power and speaker output cables - Wire harnesses make installation quick and simple with no soldering required - Separate ports for powering by battery or direct DC input from a power adapter - Optional accessories expand functionality and add indicator lights High Quality Audio Performance The KAB-215 Bluetooth Amplifier Board delivers high quality sound without drawing a lot power. This is due to the highly efficient Texas Instruments TPA3110 Class-D amplifier chip. The TI TPA3110 operates at 90% efficiency, thus eliminating the need for a heat sink and reducing its overall size. Its high efficiency becomes a major advantage when powering from batteries as it prolongs the playtime of a single charge. Its ultra-low distortion and pop-free performance make this hi-fi amplifier board an integral asset in any quality audio build. Integrated Bluetooth Unlike other amplifier boards, the KAB-215 includes a built-in Bluetooth 2.1 module. This cost effective version of Bluetooth enables easy pairing with any mobile device or tablet for convenient access to audio. Designed and built for Bluetooth demonstration purposes, this fully functioning module provides a turn-key approach to Bluetooth certification for consumer goods. If the application of this board is for the hobbyist or industrial purposes then nothing is required to enjoy the full convenience of pairing and streaming Bluetooth audio. The KAB-215 is also CE and FCC ready for certification purposes. Easy Installation Included with the KAB-215 are two wire harnesses: one for DC power and the other for connecting to stereo speakers. For many users, these cables are all that is needed to complete a project. Since they have Molex Mini Fit Jr connectors to speed-up installation and create confident a connection, there is no need to solder or troubleshoot loose and unstable contacts. Dayton Audio also offers a variety of accessories with robust features to make installation even easier. Find out more about optional accessories below.