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The KanexPro AP2DBL is a compact audio amplifier with an integrated microphone mixer, designed for various applications such as lectures, houses of worship, and musical events where audio equalization and microphone mixing are essential. This quarter-rack width digital amplifier (Class D) offers a simple yet powerful solution for audio amplification and control.
The primary function of the AP2DBL is to amplify audio signals and mix microphone inputs. It provides a default output of 2x20 Watts at 4 Ohms, making it suitable for driving a pair of speakers. For scenarios requiring higher power, the amplifier supports a bridge connection, allowing it to be configured for a 1x40 Watt output at 8 Ohms. This bridge mode sums the left and right input channels into a mono output, effectively doubling the power for a single speaker.
Beyond standard stereo and bridged outputs, the AP2DBL also features a dual-mono output function. In this mode, it sums the left and right channels to produce a mono audio output that is replicated across both outputs, ensuring consistent mono sound from all connected speakers.
A key feature of this device is its built-in microphone mixer, which allows for independent control of microphone volume. The microphone input is versatile, supporting 48V phantom power for condenser microphones, as well as dynamic microphones and line-level audio sources from wireless microphone outputs. The MIC port is designed with balanced switching to suppress noise, ensuring clear audio capture. The device supports both balanced and unbalanced audio signals, offering flexibility in connectivity.
The AP2DBL includes two stereo audio inputs, which can be selected via front panel buttons, an optional IR remote, or RS232 commands. This allows users to switch between different audio sources seamlessly.
The AP2DBL is designed for ease of use with multiple control options. The front panel features buttons for audio input selection, allowing users to switch between the two stereo audio inputs (one 2xRCA and one 3.5mm jack). Volume, bass, and treble levels can be adjusted directly from the front panel buttons or remotely via RS232 communication. An optional IR remote further enhances convenience for remote control.
For microphone input, the device offers three distinct modes:
The device incorporates "Ducking power technology," which automatically lowers the background music volume when a microphone signal is detected, ensuring the speaker's voice is always clear and prominent. This is particularly useful in lecture halls or presentation environments.
LED indicators on the front panel provide visual feedback on the power status and current operating mode, making it easy to monitor the device's operation at a glance.
The AP2DBL is designed for reliable operation with minimal maintenance. It features a convection-cooled, antistatic case design, which helps dissipate heat efficiently without the need for noisy fans, contributing to its longevity and stable performance. The antistatic design also protects internal components from electrostatic discharge.
The internal universal power adaptable (100-240 volt AC, 50/60Hz) power supply ensures compatibility with various power grids worldwide, simplifying installation and reducing the need for external power converters. The ultra-low inrush current design further contributes to the device's reliability and reduces stress on electrical circuits during startup.
For advanced control and integration into larger systems, the AP2DBL supports RS232 communication. This allows for comprehensive remote control of all functions, including input switching, volume adjustments (MIC, line, bass, treble), and muting. The RS232 protocol provides specific commands for each function, enabling seamless integration with control systems. This feature is crucial for professional installations where centralized control is desired.
The device also includes an initialization command via RS232, allowing users to revert all settings to their default values, which can be useful for troubleshooting or resetting configurations. The robust design and multiple control options make the KanexPro AP2DBL a versatile and dependable audio solution for a wide range of professional audio applications.
General| Channels | 2 |
|---|---|
| Frequency Response | 20Hz - 20kHz |
| Type | Audio Amplifier |
| Input Impedance | 10kΩ |
| Output Impedance | 4-8Ω |
| Audio Inputs | RCA Stereo |
| Signal to Noise Ratio | >90dB |
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