DaytonAudio KAB-2150 User Manual

DaytonAudio KAB-2150 User Manual

2 x 150w class d bluetooth 5.0 amplifier board with tone and volume controls

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2 X 150W CLASS D BLUETOOTH 5.0
AMPLIFIER BOARD WITH TONE AND
VOLUME CONTROLS
Model: KAB-2150 User Manual

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Summary of Contents for DaytonAudio KAB-2150

  • Page 1 2 X 150W CLASS D BLUETOOTH 5.0 AMPLIFIER BOARD WITH TONE AND VOLUME CONTROLS Model: KAB-2150 User Manual...
  • Page 2 KAB-2150 User Manual The KAB-2150 amplifier from Dayton Audio is a highly powerful yet efficient TPA3255 based 2x150 Watt class D amplifier board with Bluetooth 5.0 and convenient tone and volume controls. This plug and play amplifier comes with all of the wire harnesses needed for quick integration, such as a DC power jack, speaker wires, LEDs, AUX jacks, and even plug and play potentiometers for volume, bass and treble.
  • Page 3: Table Of Contents

    Treble and Bass Knobs Maximized (turned fully clockwise) ..............12 Treble and Bass Knobs Minimized (turned fully counterclockwise) ............12 Example Projects for the KAB-2150 ......................13 Powered Bluetooth Party Speaker ......................13 Add Amplification to Passive Speakers ....................13 Customized Bluetooth Amplifier ......................
  • Page 4: What Is In The Box

    What is in the Box? • • 1 x KAB-2150 Amplifier Board 2x LED for Bluetooth and Power status • indicator 1 x DC Input Barrel Jack (2.5mm) • • 3 x Potentiometers and cables for 1 x Bluetooth Pairing Button •...
  • Page 5: Kab-2150 Visual Overview

    KAB-2150 Visual Overview...
  • Page 6: Quick Start And Wiring Guide

    Quick Start and Wiring Guide Before You Start The KAB-2150 is a plug and play amplifier designed for quick integration, with no experience or soldering required. The following will highlight important details about how the amplifier works and how you can make it work for your project.
  • Page 7: Outputs

    KAB-2150’s Bluetooth signal. • Analog Line Output – There is an analog output on the KAB-2150 as J30. Because it is analog, this means that RCA jacks or an AUX jack can be directly wired to it as a line level source to feed another amp (the KAB-2150 comes with an AUX jack harness that will plug into this port).
  • Page 8: Quick Start Steps

    The minimum impedance of speaker the KAB- 2150 can drive is 4 Ohms. The KAB-2150 package comes with a 2.5mm DC Barrel Jack harness which can plug into the clearly Power labelled 4-pin Molex minifit jack on the board.
  • Page 9 A Bluetooth pairing switch (green) that comes in the box can be added to the KAB-2150 by Bluetooth attaching its 2 pin connector to the corresponding Pairing port (J7). Switch See the quick start diagram or look for the “BT Pair”...
  • Page 10 External Power status (J6) and Bluetooth Status LEDs (J5) can be added to the amplifier by External connecting the included LEDs to their corresponding ports. Connection (Optional) Power LED will be solid when the board is on. Bluetooth LED will blink when the amplifier is not connected to a Bluetooth source.
  • Page 11 “GND” pin, the amplifier will go into standby. When these pins are not shorted, the device will remain on. The KAB-2150 offers three ports for potentiometers (included). These will control Potentiome Master Volume, a Bass Filter and a Treble filter ters when plugged in.
  • Page 12: Tone Controls

    Tone Controls The KAB-2150 offers an option for bass and treble tone controls via external potentiometers. The amplifier comes with these potentiomers and even wire harnesses for easy integration. Note that these controls will not work in Bluetooth Bypass Mode.
  • Page 13: Example Projects For The Kab-2150

    Customized Bluetooth Amplifier The KAB-2150 could be built into a custom enclosure, such as the case of some old electronics, a custom 3D printed enclosure, or anything you can think of. The included wiring harnesses make it easy to mount all controls and inputs to whatever enclosure you choose.
  • Page 14: Kab-2150 Specifications

    KAB-2150 Specifications Electrical Specifications Specifications typical @ +25°C, powered by 36V DC, unless otherwise noted Audio Specifications Specifications typical @ +25°C, powered by 36V DC, unless otherwise noted...
  • Page 15: Troubleshooting

    I have connected my speakers, but I’m not getting any sound 1. Make sure your KAB-2150 is set in the appropriate input mode using the on-board switch and you have connected your AUX jack to the correct port. If using Bluetooth, make sure you have the jumper inserted into J103 (see Input Modes above).
  • Page 16: The Audio Quality Or Power From My Device Is Not What I Expect

    My Volume and Tone Controls do not work! 1. The KAB-2150 must be in Bluetooth Module mode for these controls to work. If using Bluetooth bypass mode, these controls will not work. Check the position of the input mode switch. If you are in the wrong mode, Bluetooth input will not work either.
  • Page 17: My Speakers Are Not Getting As Loud As I Expected

    My Speakers are not getting as loud as I expected 1. If using Bluetooth, make sure that your source device does not have any EQ or audio effects applied. Many equalizers, when turned on, will drop the overall output to give you more headroom for creating boosts in the EQ at max volume without clipping, distortion, etc.

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