Description
Infinity DSP4425
Infinity DSP Amplifier is an audio processor for fine-tuning of aftermarket audio systems. It is a self-contained audio system with 4-channel audio inputs, 4-channel powered audio outputs, 2-channel pre-amp outputs, easy to use tuning interface and detailed tuning capabilities to satisfy any enthusiast.With a USB connection to access the tuning interface using a Windows PC, you can control fully variable crossovers, selectable 0-to-48dB slopes, time delay, 31-band parametric or graphic EQ adjustment, assignable input to output mixer with input channel summing, channel gain, master volume control, clipping indicator to ensure the audio output is not distorted and ability to save up to 10 presets.
Specifications
Amplifier Specifications
| Feature | Specification |
|---|---|
| Amplifier Type | DSP Series Class A/B 4-Channel Amplifier |
| Stability | 2 ohm stable |
| RMS Power (4 ohm) | 25 watts x 4 channels |
| RMS Power (2 ohm) | 35 watts x 4 channels |
| Total Power Output | 140 watts |
| Channels | 4-channel |
| Pre-amp Outputs | 1 pair (2-channel) |
| Indicator | LED Power/Protect Light |
| Remote Control | Optional wired bass level remote |
| Inputs | Speaker-level (high-level) inputs |
| Turn-on Modes | 12V / Signal Sense / DC Offset |
| Reliability Testing | Harman Standard |
| Circuit Protection | Thermal, overload, speaker short protection |
| Compliance | CEA-2006 |
DSP Features
| Feature | Specification |
|---|---|
| EQ Control | 31-band (graphic or parametric per channel) |
| Tuning Method | USB connection to Windows PC |
| Filters | High-pass, Low-pass, Band-pass (20–20,000 Hz) |
| Filter Slopes | 6, 12, 18, 24, 30, 36, 42, 48 dB/octave |
| Phase Control | 0° / 180° selectable |
| Time Alignment | 0–12 ms (0.2 ms increments) |
| Input Sensitivity | 680 mV – 6 volts |
Performance & Physical Specs
| Feature | Specification |
|---|---|
| Frequency Response | 10 – 22,000 Hz |
| Total Harmonic Distortion (THD) | 1% |
| Signal-to-Noise Ratio | >80 dB |
| Fuse Rating | 15A |
| Dimensions | 9-3/8″ L x 5-11/16″ W x 1-15/16″ H |
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