This is a *KAB V3 2X 50W AMPLIFIER BOARD CLASS-D DIY WITH BLUETOOTH 4 of brand Dayton Audio.

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TECHNICAL SHEET
Title *KAB V3 2X 50W AMPLIFIER BOARD CLASS-D DIY WITH BLUETOOTH 4
Notes DAYTON AUDIO The Dayton Audio KAB-250v3 Bluetooth Amplifier Board delivers high quality sound without drawing a lot power. This is due to the highly efficient Texas Instruments TPA3116 Class D amplifier chip. The TI TPA3116 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 Dayton Audio KAB-250v3 includes a built-in Bluetooth 4.0 module with aptX. The advantage of Bluetooth 4.0 is its low power consumption which prolongs the playtime of battery powered builds. The streaming audio quality rivals that of CDs thanks to the addition of the aptX codec by CSR. 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 high quality Bluetooth audio. The KAB-250v3 is also CE and FCC ready for certification purposes.  Easy Installation Included with the KAB-250v3 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.  Extreme Low Standby Power The Dayton Audio KAB-250v3 will remain powered up to 7 days in standby mode even while Bluetooth is enabled. This standby time is approximately 4x longer than the competition due to the use of a high efficiency DC/DC converter which minimises power consumption thanks to the employment of a micro controller as the PMU (Power Management Unit).  Multiple Power Paths The Dayton Audio KAB-250v3 features numerous power options for creative, wireless sound projects. This flexibility eliminates limitations often caused by most other amp boards. Therefore, your design can be cord restricted or truly portable. For portable applications, there is an optional function cable kit (KAB-FC) which permits the connection of rechargeable batteries to power the board. NiMH, lead acid, or NiCad batteries will recharge straight from the board using a 15~24 VDC, 1A power supply. Use extreme caution because the Bluetooth amp board does not provide under/over charge protection and the connected power adapter cannot have an output greater than 30 watts. The best rechargeable battery option makes use a separate interconnect board from Dayton Audio (KAB-BE) which holds three 18650 Li-Ion batteries. This portable power source is highly recommended since this add-on battery holder board does provide under/over voltage protection. A 19 VDC, 1-5A power supply is your best choice for charging the expansion board. (15 VDC Min required and 24 VDC Max)  Package Includes One Dayton Audio KAB-250v3 Bluetooth Amplifier Board One 2-conductor power cable 20 One 4-conductor speaker cable 20 One peel-n-stick Airgain™ internal Bluetooth antenna with 127 mm cable One Bluetooth pairing reset push button switch with 508mm cableNew for v3 is a U.FL IPX coaxial connector for internal or external Bluetooth antenna (internal antenna included) and a Bluetooth pairing reset switchHigh quality power from the efficient TPA3116 Class-D amplifier ICEfficient Bluetooth 4.0 with aptX audio built directly into boardModule includes power and speaker output wiring harnesses 50cmClass-D 90% Efficiency plus very low standby power consumption Direct DC input from a power adaptor 12Vdc to 24Vdc orPower by battery or optional Li-Ion battery charger solutionCompact 91x69x23mm with built-in heat sink2x 50W 4Ω (21Vdc 5A) 89.3dB SNR 22Hz-22KHzOptional accessories expand the functionality for your project
Impedance4-8Ω
Power2x 50W
Size91x69x23mm
ManufacturerDayton Audio
SKU NoWES_KAB-250V3_2

 

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MPN
SKU WES_KAB-250V3_2
Brand Dayton Audio