- All-in-one board design reduces space needed for audio DIY projects.
- Wire harnesses make installation quick and simple with no soldering required -- includes power, Bluetooth reset button and speaker cables.
- Separate ports for powering by battery or direct DC input from 12 to 24V power source.
- Program with SigmaStudio software and Dayton Audio ICP1 (sold separately).
- Efficient 2 x 50W of power from the TPA3116 amp chip.
Quick Overview The KABD-250 combines a 2 x 50W amp board,
Bluetooth 5.0 and a ADAU1701 digital signal processor all in one
amp board. This enables you to customize your next DIY audio
project's sound using SigmaStudio software and Dayton Audio ICP1
Bluetooth programmer. Product Highlights All-in-one board design
reduces space needed for audio DIY projects Wire harnesses make
installation quick and simple with no soldering required --
includes power, Bluetooth reset button and speaker cables
Separate ports for powering by battery or direct DC input from 12
to 24V power source Program with SigmaStudio software and Dayton
Audio ICP1 (sold separately) Efficient 2 x 50W of power from the
TPA3116 amp chip Product Manuals / Spec Sheets / Downloads Dayton
Audio KABD-250 User Manual Dayton Audio KABD-250 Quick Start
Wiring Guide Dayton Audio KABD Series SigmaStudio Programming
Guide Dayton Audio KABD SigmaStudio Example Projects AddThis
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Share to MoreAddThis High Quality Audio Performance The Dayton
Audio KABD-250 DSP Amplifier Board delivers high quality sound
without drawing a lot power. This is due to the highly efficient
TPA3116 Class D amplifier chip. The TPA3116 operates at 88%
efficiency, thus eliminating the need for a large 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 DSP Chip Unlike
other amplifier boards, the Dayton Audio KABD-250 includes a
built-in ADAU1701 DSP chip. Create nearly limitless possibilities
of EQ, crossover, bass enhancement, time alignment and more
thanks to the ADAU1701 DSP chip. Make advanced crossovers with
ease without circuit knowledge, capacitors, inductors, or preamp
boards, and get almost immediate feedback on how your project
sounds. SigmaStudio software and Dayton Audio DSPB-ICP1
programming board (sold separately) combine together to let you
set audio parameters to produce hi-fi quality sound. Download
SigmaStudio into your desktop or laptop computer and plug the
small ICP1 board into the USB port using a micro USB cable (sold
separately). To quickly adjust the sound there are four
potentiometers on the KABD-250 amp board. Integrated Bluetooth
The Dayton Audio KABD-250 includes a built-in Qualcomm Bluetooth
5.0 module with aptX HD. The aptX HD streaming audio quality
rivals that of CDs since the Bluetooth chip supports aptX, aptX
HD, aptX LL, SBC & AAC. The advantage of Bluetooth 5.0 is its
long 15m (50 ft.) wireless range and its low power consumption
which prolongs the playtime of battery-powered builds. On board
external antenna jack enables the KAB board to be ed in a
metal enclosure with an external antenna (sold separately).
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 KABD-250 is also CE
and FCC ready for certification purposes. Included with the
KABD-250 are three wire harnesses: one for DC power, Bluetooth
reset button, 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 additional on board connectors, wiring
harnesses (sold separately) are available to speed-up
installation and create confident connections without soldering.
Dayton Audio also offers a variety of accessories with robust
features to make installation even easier. Find out more about
optional accessories below. Endless Applications Use this full
function, adjustable amplifier board with built-in DSP chip and
Bluetooth5.0 in endless wireless audio applications that seem
impossible to produce the right sound quality. So if you’re a
hobbyist or manufacturer enjoy presetting this full functioning 2
x 50W DSP amplifier board to peak performance in your finished
product. The KABD-250 is also CE and FCC ready for certification
purposes. To add more channels to your project use the line
output socket with another amp board using wiring kit KABD-SPF
(sold separately). Examples of applications include: Portable
Power Paths For portable applications, there are three battery
holder/charging boards which permit the connection of li-Ion
rechargeable batteries to power the board. First is the Dayton
Audio LBB-3v2 3-cell 18650 battery holder/charger board that is
the same size as the KABD-250 which makes it easy to stack the
boards with standoffs. This battery board must use a 5 to 24 VDC
power supply. If you desire more wattage output, use the 5-cell
21 VDC Dayton Audio LBB-5Sv2 or LBB-5v2 board. They work with 5
to 24 VDC power supplies. The LBB-5S uses 18650 Li-Ion batteries,
and the LBB-5 uses 26650 Li-Ion batteries which delivers more
play time. These portable power sources are highly recommended
since all three provide under/over voltage protection. Please
note: To achieve power output briefly plug in the recommended
power supply into the battery boards after the batteries are
installed or when the batteries are removed and reinstalled.
Package Includes One Dayton Audio KABD-250 DSP Amplifier Board
One 2-conductor power cable 20" One 4-conductor speaker cable 20"
One Bluetooth reset push button with cable 20" Specifications:
Power output (w/ 24 VDC power supply): 2 x 50W @ 4 ohms SNR: 88
dB 2 x 50W @ 4 ohm, THD+N=1%, 26 dB, A-weighting 2 x 50W @ 4 ohm,
THD+N = 1%, 200 Hz THD+N: 0.06% 10W @ 4 ohm 1 kHz 24 dB Frequency
response: 20 to 20,000 Hz (±3 dB) Impedance: 4-8 ohms Recommended
power supply: 12 to 24 VDC, 4A Board ing holes center to
center spacing: 3.32" x 2.4" (84 x 61 mm) Hole diameter: 0.14"
(3.5 mm) Dimensions: 3.6" L x 2.7" W x 0.9" H OPTIONAL
ACCESSORIES Optional Function Cables Use the KABD-SPF cable kit
to customize any Dayton Audio KABD project. Each wire harness
comes equipped with mini connectors for easy termination to the
board, and each cable is 20" in length. The 6-wire 6-pin AUX line
output cable enables you to add up to two more channels for 2.1
or 4.0 audio projects. Use the 3-wire cable for standby and mute
functions. The 4-wire battery cable is for portable projects
where AC or 12 VDC car power are not available. This cable plugs
directly into all the Dayton Audio LLB series battery boards.
2-wire Blue Bluetooth status LED and 2-wire green signal LED to
keep you informed. Add an optional SPST unmarked switch (sold
separately) to the 2-wire on/off power cable to cut power to the
entire board. 3-wire, 5-pin 3.5 mm AUX-in cable with jack
provides a way to play music with non-Bluetooth devices. Four
Potentiometers with 3-wire harnesses and knobs extends sound
customization when programmed with SigmaStudio. External
Bluetooth antenna with adhesive s outside metal enclosures
to extend the Bluetooth range. Optional Programing Interface
Board The Dayton Audio DSPB-ICP1 provides a solution to
programing the KABD-250 amp board using SigmaStudio software.
Download SigmaStudia software to your computer and send
programming instructions using a micro USB cable (not included)
to the DSP-ICP1 programing board that installs settings into the
KABD-250 amp board with the included 6-pin cable. Please note:
The included cable has the same 6-pin plug that joins the
KAB-250v4 to the KABD-250. Make sure the programing board plugs
into J-4 or #8 in the quick reference guide. Optional Li-Ion
Battery Charging Boards The Dayton Audio LBB-3v2 Li-Ion battery
charging board holds three 18650 batteries (sold separately).
This charging board has built in under/over voltage protection
circuits for safe charging and longevity. It balances different
voltage between batteries in case one battery discharges faster
than the others. 12 to 24 VDC, 1-5A power adapters work best for
charging batteries contained in this board, but they accept as
low as 5 VDC adapters. Higher rated voltage and current charge
the batteries faster. For more power output and longer play time
use the Dayton Audio LBB-5Sv2 and LBB-5v2 battery boards. The
Dayton Audio LBB-5Sv2 18650 5-cell battery board delivers more
voltage output which increase the wattage output of the KABD-250.
The Dayton Audio LBB-5v2 26650 5-cell battery board delivers more
voltage output and has more current available which increase the
wattage output and play time for the KABD-250. Please note: When
removing batteries from the LBB series battery boards, the
charging adapter must be plugged in momentarily after the new
batteries have been inserted. Failing to do so will prevent the
amp board from powering up. Optional L-type Aluminum Bracket It
can be quite difficult to install the audio amplifier board into
tight spaces such as portable sound applications. To securely
the KABD-250 board and improve space efficiency Dayton
Audio offers the KAB-AB; an optional L-type aluminum bracket.
This aluminum bracket supports vertical and horizontal ing
configurations to satisfy different installation requirements.
With four M3.5 screw lock standoffs, most Dayton Audio KAB and
DSPB amplifier boards install easily on the bracket using the
four included security screws. Two M3.5 holes and seven slots
give you the versatility to the L-type bracket to your
project as needed Optional Standoff Kit The PC Board M3 Standoff
Kit is perfect for stacking multiple PC boards that are the same
size, like a DSPB amp board on top of the LBB-3 battery board.
Stacking PC boards enables you to use a smaller project box to
install your project in. These standoffs will secure a single PC
board, or a stack, if you use it with KAB-AB ing bracket.
They both use the same M3 thread. The kit features eight 16mm
studs, eight 10mm studs, and 4 Phillips screws. High Performance
Power Supply To meet the wattage output as listed in the
specifications, using a 24V 5A DC Sw Power Supply is
recommended. The power supply accepts inputs 100-240 VAC. It
features a 6 ft. detachable input cord, and a 2.5mm x 5.5mm x 9mm
center positive plug 4 ft. output cord. Approved/listed by all
major safety agencies; UL, CUL, and CE. This power supply can
also be used with the option battery boards. Product Details
Model Number KABD-250 Color Red Unit of Measure Each UPC
848791007934 Warranty - Parts 5 Years Warranty - Labor 5 Years
Product Shipping Weight (lbs.) 0.35 Product Weight -- Product
Height 1.25" Product Width 3.5" Product Length 5.25" Product
Depth --