Product Overview
The AD48 Professional Speaker Voice Processor is a powerful 4-input / 8-output digital audio DSP processor designed for professional PA systems and sound reinforcement applications. Featuring a high-performance 32-bit DSP engine, it provides precise audio processing, flexible signal routing, and comprehensive speaker management. With built-in EQ, crossover, delay, limiter, and gain control, the AD48 helps optimize system performance while ensuring reliable operation in live sound and fixed installation environments.
Key Features & Benefits
4 Input / 8 Output Configuration
Flexible routing allows precise control of full-range speakers, subwoofers, delay speakers, and multi-zone audio systems.
Advanced 32-Bit DSP Processing
Delivers accurate signal processing, low latency, and high audio fidelity for professional sound applications.
Comprehensive Speaker Management
Each channel includes parametric EQ, crossover, delay, limiter, polarity, and gain adjustment for complete system optimization.
System Protection & Reliability
Built-in limiters and protection functions help prevent overload, clipping, and speaker damage, improving long-term system stability.
Easy Integration
Ideal for use with power amplifiers, active speakers, line arrays, and distributed audio systems.
Applications
Live Sound & Touring Systems
Fixed Installation PA Systems
Line Array & Subwoofer Management
Clubs, Bars & Entertainment Venues
Conference & Corporate Audio Systems
Houses of Worship & Auditoriums
Specification
| Item | AD48 |
Delay Time Step | Range:0~1000mS; 21μS step@0~10mS; 84 μS step@ 10mS~20ms; 0.5mS step@ 20mS~1000mS |
Input/Output Polarity | In-phase(+) or reversed phase(-) |
Input EQ | 6-band parameter EQ; Frequency: 20Hz~20KHz; Gain:-20 dB~+20 dB; Bandwidth: 0.05oct~3oct |
Mute | Mute with each Input& Output channel |
Input Selection | Each input channel can be selected to each output channel |
Output Gain | Range:-12dB~+12dB, step: 0.1dB |
Crossover | LPF and HPF. The parameters can be adjusted. Filter type :Linkwitz-Riley; Bessel; Butterworth. The Crossover Frequency: 20Hz~20KHz, Slope: 12dB/oct; 18dB/oct; 24dB/oct;48dB/oct. |
Limiter | Threshold value: -20dBu~+20dBu; step:0.5dBu. |
Attack time | 0.3mS~100mS. 0.1mS step@0.3~1mS; 1mS step @1mS~100mS. Release Time: Release Time can be set as twice, 4times, 6times, 8times, 16times, 32times. |
Output EQ | 6-band EQ: 3 modes: Lo-Shelf/Hi-Shelf/Parameter. A: Lo-Shelf: Slop: 6dB/12dB; Frequency: 20Hz~20kHz; Gain: -20dB~20dB; B: Hi-Shelf: Slop: 6dB/12dB; Frequency: 20Hz~20kHz; Gain:-20dB~20dB; C: Parameters: frequency: 20Hz~20KHz, bandwidth: 0.05oct~3oct; Step: 0.05oct; Gain: -20dB~+20dB, Step 0.1dB |
Processor | 96KHz Sampling frequency, 32-bit Floating-Point DSP |
Display | With 2*24 LCD, 8-LED input/output level. Mute and Editing mode can be displayed. |
