PRV Audio DSP 2.8X Series 8-Channel Advanced Digital Sound Processor
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Power Meets Precision Tuning
Take full control of your sound with the DSP 2.8X, built to deliver serious performance for real car audio enthusiasts. With advanced digital processing at its core, you get real-time tuning through crossover control, equalization, delay, and phase adjustments that bring your system to life. The 15-band graphic equalizer paired with 12 ready-to-use presets like Rock, Hip Hop, Electronic, and Vocal lets you dial in your vibe instantly or fine-tune every detail your way. Add in dual parametric EQ on both input and output, and you have the power to shape your sound exactly how you want it.
Built for Complex Systems, Made Easy
Running multiple amps and speakers? No problem. The 2-in and 8-out configuration with flexible routing options gives you total freedom to design even the most advanced setups. Each output channel is fully independent, allowing precise control with high-pass and low-pass filters, including Butterworth and Linkwitz-Riley slopes up to 48 dB per octave. Time alignment, phase control, and channel gain adjustments ensure your system sounds perfectly staged and balanced. Plus, the output copy function speeds up your setup so you can get everything tuned faster without starting from scratch.
Smart Control and Total System Protection
This processor does more than just sound good, it keeps your system safe and easy to manage. The intelligent dynamic limiter protects your gear while maintaining clarity, even when pushing high output levels. Use the built-in audio generator with tone signals, sweeps, and pink noise for accurate calibration and diagnostics. The clear LCD display and intuitive interface let you make adjustments on the fly without needing extra devices. Save your custom presets, lock them with password protection, and enjoy a seamless startup with the integrated remote sequencer. It is all about giving you control, convenience, and confidence in your setup.
Frequently Asked Questions (FAQ)
- • Why won't my PRV Audio DSP 2.8X connect to my computer?
Connection problems are often caused by missing drivers, an incompatible USB cable, or outdated software. Make sure you are using the recommended software version and a reliable data cable.
- • Why is there no sound after installing the DSP 2.8X?
Check the input and output routing, amplifier connections, source unit settings, and power wiring. An incorrect signal path is one of the most common installation issues.
- • Can I use the DSP 2.8X with my factory car stereo?
Yes, many users integrate it with factory audio systems to improve sound quality while keeping the original head unit. Proper input configuration is essential for the best results.
- • Why do I hear a buzzing or whining noise after adding the DSP 2.8X?
Electrical noise is often caused by poor grounding, ground loops, or signal cables routed too close to power wires. Improving cable routing and grounding usually solves the problem.
- • How do I reset the DSP 2.8X if I accidentally changed the settings?
Most users reset the processor by following the factory reset procedure in the user manual, allowing them to start a new tuning session from the default settings.
- • Why do my speakers sound out of sync after installing the DSP 2.8X?
Incorrect time alignment or crossover settings can affect stereo imaging. Reviewing the delay settings for each speaker channel can restore a balanced soundstage.
- • Can I tune the DSP 2.8X without professional equipment?
Yes, many users achieve excellent results using careful listening and basic adjustment techniques. Measurement microphones can provide even greater tuning accuracy.
- • Why do my crossover changes not seem to affect the sound?
This may happen if the wrong output channel is being adjusted, the preset was not saved, or the amplifier is connected to a different output than expected.
- • Is the DSP 2.8X suitable for active speaker systems?
Yes, it is commonly used in active audio systems because it allows independent crossover, equalization, time alignment, and output level adjustments for each channel.
- • How can I get the best sound quality from the DSP 2.8X?
Begin with clean amplifier gain settings, configure the crossover correctly, apply time alignment carefully, make small EQ adjustments, and save your tuning profile once you are satisfied with the results.
Features:
- Precision Audio Control Engine: Advanced digital processing delivers real-time tuning with crossover, equalization, delay, and phase tools for a fully optimized car audio system.
- 2-In / 8-Out Signal Flexibility: Dual inputs with selectable routing (A, B, or mixed) across eight independent outputs for complex multi-amplifier setups.
- 15-Band Graphic Equalizer with Presets: Built-in EQ with manual tuning plus 12 sound profiles including Rock, Hip Hop, Electronic, and Vocal for fast system voicing.
- Dual Parametric Equalization: Dedicated input and output parametric EQ sections with adjustable gain, frequency, and bandwidth for surgical sound refinement.
- Advanced Crossover Architecture: Fully adjustable HighPass and LowPass filters with Butterworth and Linkwitz-Riley options up to 48 dB/octave slopes.
- Intelligent Dynamic Limiter: Real-time attack and release control protects amplifiers and speakers while preserving clarity at high output levels.
- Time Alignment & Phase Optimization: High-accuracy delay, phase inversion, and independent channel gain ensure precise staging and imaging.
- Integrated Audio Generator Suite: Built-in tone generator, frequency sweep, and pink noise for accurate system calibration and diagnostics.
- LCD Interface with Real-Time Control: Clear 16x2 display and intuitive navigation for on-the-fly adjustments without external devices.
- Output Channel Copy Function: Streamlined setup with quick duplication of tuning parameters across multiple outputs.
- Memory Management System: Save, load, and secure presets with password protection to safeguard custom tuning profiles.
- Remote Sequencer Integration: Three-stage remote output (S1, S2, S3) with adjustable delay for safe and controlled system power-up.
- System Customization Tools: Features include marquee display, language selection, and flexible configuration management for personalized operation.
Specifications:
- Number of processors (DSPs): 1
- Input Channels: 2
- Output Channels: 8
- Output Gain: Yes
- Master Level: 0 ~ 100%
- Graphic Equalizer: 15 Band
- Graphic Equalizer Presets: 12
- Parametric Equalizer Input: 1
- Parametric Equalizer Output: 8 / 1 per Channel
- Routing: A,B / A+B
- Crossover Butterworth (dB/8ª): 12/18/24/36/48
- Crossover Linkwitz-Riley (dB/8ª): 12/18/24/36/48
- Limiter: Yes
- Automatic Attack/Release: Yes
- Delay: 0 to 8 ms (275 cm)
- Frequency Generator: 10Hz – 22kHz, Level -60 at 0dB
- Frequency Scan: 10Hz – 22kHz / Level -60 at 0dB / Control of speed
- Display: LCD 16x2 Characters
- Screen Saver: Text
- Security Password: Yes
- Frequency Response (+/-3dB): 10Hz @ 22.5kHz @ -1dB
- Latency: 1.08 ms
- Signal to Noise: >90 dB
- THD: <0.01%
- Channel Separation: >80 dB
- Maximum Input Voltage: 5.6 Vpp (+8.2 dBu)
- Maximum Output Voltage: 5.6 Vpp (+8.2 dBu)
- Supply Voltage: 10V to 15V DC
- Dimensions (H x W x L): 1.45″ x 7.87″ x 3.97″
- UPC: 810075520699
- Weight: 1.2
- Authorized Internet Dealer
Warranty: 1 Year Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 1 Year from the original date of purchase with proper return authorization.