Digital Audio Processor
AMP-44TM is a 1/4 rack-width network audio processor that utilizes the AES67 network audio transmission protocol. It supports Dante multicast compatibility and offers 4 analog + 4 network audio input and output. With rich DSP functions such as automatic mixing and echo cancellation, it boasts a compact and flexible design, making it ideal for network node audio transmission processing.
Functional features
1.The sampling rate is 48kHz.
2.High-performance AD/DA, low distortion, wide dynamic range, and pure sound quality.
3.Online connectivity, efficient and concise, engineering-friendly user interface software, real-time control of all functions and monitoring of machine operating status.
4.4-channel MIC/LINE input, 4-channel balanced output. 4-channel AES67 network input, 4-channel AES67 network output.
5.Each input features adjustable hardware gain (0dB/15dB/20dB/24dB) and independent 48V phantom power control.
6.The volume of input and output audio signals can be independently adjusted, with a range of mute, -60.0 to +12.0 dB.
7.2 Gigabit Ethernet ports, capable of being connected in series for networking. NETA port supports POE power supply.
8.Supports a power LINK interface for hand-in-hand power supply during multi-machine expansion, facilitating engineering installation.
9.The panel features 14 LEDs indicating audio and system status, along with a phantom power switch button, enabling user-friendly human-machine interaction.
10.Support the expansion from 2 machines to 1 1U machine cabinet installation, with panel design featuring bracket mounting holes.
11.Support automatic audio mixing function.
12.Open DSP functionality, supporting 5A algorithm.
13.Supports 1-channel echo cancellation, background noise reduction, and automatic gain control functions.
Product Description
| Input voltage | DC12V |
| Front panel | Channel level indicator lights x8; [POWER] power indicator light x1; [Phantom Power] 48V phantom power x1; [SIGNAL] network communication status light x1; phantom power indicator lights x4 |
| Rear panel | [DC12V/1.5A] power input socket x1; [NETA(POE)] Gigabit network interface x1; [NETB] Gigabit network interface x1; [POWER IN] power LINK input interface x1;【POWER OUT】Power LINK output interface x1; Audio input channels x4; Audio output channels x4 |
| Analog audio channel | 4 in 4 out |
| Network audio channel | 4 in 4 out |
| Network audio delay | 1/2/5/6ms |
| Sampling rate | 48kHz |
| Signal-to-noise ratio | ≥99dB (1kHz+4dBu, A-weighted, 0dB microphone gain); ≥85dB (1kHz+4dBu, A-weighted, 24dB microphone gain) |
| Harmonic distortion | ≤0.005% (1kHz+4dBu, A-weighted, unity gain) |
| Channel isolation | ≤-90dB (1kHz+4dBu, A-weighted, unity gain) |
| Frequency response | ±0.2dB （20Hz~20kHz） |
| Maximum input level | 14dBu±1dBu（1kHz,THD+N≤1%） |
| Maximum output level | 14dBu±1dBu（1kHz,THD+N≤1%） |
| Dynamic range | ≥109dB (1kHz maximum output level, unity gain, A-weighted) |
| Microphone preamp gain | 0/15/20/24dB, 4 levels in total |
| Power supply | Supports adapters and PoE-AF power supply. The adapter power supply is rated at 12VDC, 1.5A and supports daisy-chaining (requires adapter power supply, up to 2 devices can be daisy-chained) |
| Accessories | 1 power adapter, Phoenix terminal connector |
| Product dimensions (L x W x H) | 108 x 149 x 45mm |
| Packaging size (L x W x H) | 275 x 275 x 95mm=0.007m³ |
| Net weight/gross weight | 0.65kg/1.18kg |
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