User Manual for Dayton Audio DTA-2.1BT2 Bluetooth Amplifier

Quick guide from the manual

The Dayton Audio DTA-2.1BT2 is a compact 2.1 Class D amplifier designed for home or office use. It features Bluetooth connectivity, standard stereo RCA and 3.5mm inputs, and dedicated subwoofer frequency adjustment. To operate the unit, use the ON/OFF button for power (long press) and input selection (short press). The amplifier supports 4-8 Ohm passive speakers and a passive subwoofer.

Amplifier Connections

The amplifier features a front and rear panel for control and connectivity:

• Front Panel: Includes the Power/Source Select button, source indicators (Bluetooth, AUX1, AUX2), Subwoofer crossover dial, Subwoofer volume dial, Tone control, and Master volume dial.
• Rear Panel: Features the Bluetooth antenna connection, AUX2 L/R RCA inputs, AUX1 3.5mm input, R/L speaker outputs, Subwoofer output, and the 24V DC power input.

Connecting Speakers and Setup

The DTA-2.1BT2 uses binding post style connectors for speakers.

1. Connect your 4-8 Ohm passive speakers and subwoofer to the rear panel binding posts, ensuring the polarity is correct. The binding posts accommodate dual banana plugs or bare speaker wire.
2. Plug the power supply into the amplifier and then into a wall outlet.
3. Connect your source device to the amplifier using the 3.5mm AUX1 or RCA AUX2 inputs.
4. Power on the amplifier with a long press of the ON/OFF button.
5. Short press the select button to choose the desired input; the red LED indicator will illuminate under the selected input type.

Bluetooth Connection

To play music wirelessly from your phone, tablet, or other device:

1. Turn on the amplifier with a long press of the ON/OFF button.
2. Select the Bluetooth input by short pressing the select button.
3. Search for DTA-2.1BT2 on your mobile device.
4. You will hear a series of tones and see the BT indicator light flashing red/blue, indicating the amplifier is in pairing mode.
5. Select DTA-2.1BT2 in your mobile device's Bluetooth menu.
6. The BT indicator light will change to a slow pulsing red and emit a short beep when successfully paired.

Note: For the best sound quality, adjust the output level of your mobile device to approximately 75% and then adjust the master volume on the amplifier to the ideal listening level.

Specifications

The DTA-2.1BT2 offers the following technical capabilities:

• Power Output: 50 Watts x 2 (Main speakers)
• Power Output Subwoofer: 100 Watts
• Sub Crossover: 50Hz to 120Hz
• Impedance: 4-8 Ohms
• Power Input: 24 VDC
• Bluetooth Distance: Up to 30 meters
• Bluetooth Compatibility: A2DP, AVRCP