Introduction
The Taramps PRO 2.8S is an advanced 8-way digital audio processor and crossover designed to enhance and customize automotive sound systems. This manual provides essential information for the proper installation, operation, and maintenance of your PRO 2.8S unit, ensuring optimal performance and superior sound quality.
Figure 1: Taramps PRO 2.8S Digital Audio Processor (Black and White models)
Key Features
- 8-way digital audio processor for comprehensive sound customization.
- Intuitive LCD interface panel for real-time adjustments.
- RCA inputs with adjustable gain (up to 9 VRMS).
- FIO input with automatic activation for integration with original players and multimedia devices.
- Remote output for activating external amplifiers and peripherals.
- Detailed configuration options: graphic and parametric equalizations, high-precision crossover filters, time alignment, phase inversion, and adjustable limiters.
- Integrated audio generator for calibration and testing, including frequency sweeps.
- Input and output clip indicators for precise monitoring.
- Two operating modes: Standard Mode and Dynamic Mode.
- Customizable 4-digit password access protection.
- Supports Portuguese, English, and Spanish languages.
Setup and Installation
1. Unpacking and Inspection
Carefully remove the PRO 2.8S unit from its packaging. Inspect for any signs of damage. Ensure all components are present.
2. Mounting the Unit
Choose a secure, dry location in your vehicle, away from direct heat, moisture, and excessive vibration. Ensure adequate ventilation around the unit. Use appropriate screws to mount the unit securely.
Figure 2: Approximate Dimensions (W x H x D): 198 x 37 x 113 mm
3. Wiring Connections
Refer to the diagram below for proper wiring. Ensure all connections are secure and correctly polarized to prevent damage to the unit or other components.
- Power Supply (12VDC, GND, REM): Connect the 12VDC terminal to a fused constant 12V power source. Connect the GND terminal to a good chassis ground point. Connect the REM (Remote) terminal to your head unit's remote output for automatic activation.
- RCA Inputs (A, B): Connect your head unit's RCA outputs to the PRO 2.8S RCA inputs. The unit supports up to 9 VRMS.
- FIO Input: For integration with original players or multimedia devices, use the FIO input. This input features automatic activation.
- Outputs (1-8): Connect the 8 independent outputs to your amplifiers.
- Remote Output: The PRO 2.8S includes a remote output to activate external amplifiers and other peripherals.
Figure 3: PRO 2.8S Front Panel with Inputs, Outputs, and Power Terminals
Operation
The PRO 2.8S features an intuitive LCD interface and control buttons for easy navigation and adjustment.
1. Controls and Indicators Overview
Figure 4: PRO 2.8S Controls and Display (Black Unit)
- LCD Display: Shows current settings, menus, and operational information.
- SETUP CONTROL Knob: Used for navigating menus, selecting options, and adjusting parameter values.
- MUTE ALL / --MEMORY Button: Mutes all outputs or accesses memory functions.
- SELECT / --MUTE Button: Selects options within menus or mutes individual channels.
- INPUTS (A, B): Gain adjustment for input channels.
- OUTPUTS (1-8): Individual output controls.
- INPUT CLIP Indicator: Illuminates when the input signal is clipping.
- LIMITER OUT CLIP Indicator: Illuminates when the output signal is clipping due to the limiter.
2. Operating Modes
The PRO 2.8S offers two distinct operating modes:
- Standard Mode: Provides essential audio adjustments including a 15-band graphic equalizer and precise crossover filters. This mode is suitable for general sound tuning and basic system optimization.
- Dynamic Mode: Unlocks more sophisticated features such as peak and RMS limiters, along with other advanced functionalities for maximizing sound performance and protection.
Switching between modes and configuring settings is done via the LCD interface and SETUP CONTROL knob.
3. Basic Adjustments
- Gain Adjustment: Use the input gain controls to match the signal level from your head unit. Adjust until the INPUT CLIP indicator flashes only occasionally on the loudest passages.
- Equalization: Access the equalizer menu to adjust frequency bands. In Standard Mode, use the 15-band graphic equalizer.
- Crossover Filters: Configure high-pass, low-pass, and band-pass filters for each output channel to direct specific frequency ranges to your speakers/subwoofers.
- Time Alignment: Adjust the delay for each output channel to ensure sound from all speakers reaches the listener at the same time.
- Phase Inversion: Correct phase issues by inverting the phase of individual channels.
- Limiters (Dynamic Mode): Set peak and RMS limiters to protect your speakers from over-excursion and distortion.
For detailed instructions on specific menu options and advanced settings, refer to the on-screen prompts and the full digital manual (if available from the manufacturer).
Maintenance
- Cleaning: Use a soft, dry cloth to clean the unit. Do not use harsh chemicals or abrasive cleaners.
- Ventilation: Ensure the unit's ventilation openings are not blocked to prevent overheating.
- Connections: Periodically check all wiring connections to ensure they are secure and free from corrosion.
- Software Updates: Check the manufacturer's website for any available firmware updates to ensure optimal performance and access to new features.
Troubleshooting
If you encounter issues with your PRO 2.8S, refer to the following common troubleshooting steps:
- No Power:
- Check the 12VDC power connection and fuse.
- Verify the GND connection is secure.
- Ensure the REM (remote) wire is connected and receiving a signal from the head unit.
- No Sound Output:
- Check all RCA input and output connections.
- Verify that the unit is not in "MUTE ALL" mode.
- Check individual channel mute settings.
- Ensure input and output gains are set appropriately.
- Confirm amplifiers are powered on and receiving a signal.
- Distorted Sound:
- Check the INPUT CLIP and LIMITER OUT CLIP indicators. Reduce input gain or adjust limiter settings if they are constantly lit.
- Ensure all connections are tight and free from interference.
- Verify that the head unit's output is not clipping.
- Unit Freezes or Malfunctions:
- Try performing a soft reset by disconnecting and reconnecting power.
- If issues persist, a factory reset might be necessary (consult the manufacturer's full manual for instructions).
For persistent issues, contact Taramps customer support or a qualified car audio technician.
Technical Specifications
| Feature | Specification |
|---|---|
| Number of Input Channels | 2 |
| Number of Output Channels | 8 |
| Input Impedance (RCA) | 10K ohms |
| Input Impedance (WIRE) | 50 ohms |
| Output Impedance | 47 ohms |
| Maximum Input Level (RCA) | 9VRMS (Min. Gain) / 2VRMS (Max. Gain) |
| Maximum Input Level (WIRE) | 28Vpp (10V RMS) |
| Maximum Output Level | 5.6Vpp (2V RMS) |
| Frequency Response (-1dB) | 10Hz to 22KHz |
| Total Harmonic Distortion | 0.01% |
| Signal to Noise Ratio | >90dB |
| Crosstalk (Channel Separation) | >80dB |
| Minimum Supply Voltage | 9VDC |
| Maximum Supply Voltage | 17VDC |
| Routing Inputs and Outputs | A, B, A+B |
| Overall Gain Adjustment | -80 to 0dB |
| Output Gain Adjustment | -45 to +15dB |
| Input Equalizer (Standard Mode) | 15 bands, 2/3 octave, 12 presets (Frequencies: 25Hz - 16KHz) |
| Equalizer Gain Attenuation | -12dB to +12dB |
| Parametric EQ Center Frequency | Variable from 10Hz to 22KHz |
| Parametric EQ Q Factor | 0.4 to 10 |
| Supported Languages | Portuguese, English, Spanish |
| Dimensions (W x H x D) | 198 x 37 x 113 mm |
| Weight | 0.45 kg (450g) |
| Resolution | 24 bits |
| Sampling Rate | 48 KHz |
| Nominal Consumption (12.6 V) | 0.30 A |
| Audio Generator Modes | Fixed frequency / 3-speed scan |
| Access Protection | 4-digit password (customizable) |
| Setting Memory Positions | Factory default + 3 assignable positions |
| Screen Saver Function | Text of up to 15 characters |
User Tips
- Start with Standard Mode: If you are new to audio processors, begin by familiarizing yourself with the Standard Mode's graphic equalizer and crossover settings before exploring the more advanced Dynamic Mode features.
- Use Clip Indicators: Pay close attention to the INPUT CLIP and LIMITER OUT CLIP indicators. These are crucial for preventing distortion and protecting your audio components. Adjust gain levels immediately if they light up consistently.
- Experiment with Time Alignment: Proper time alignment can dramatically improve the soundstage and imaging in your car audio system. Take time to experiment with these settings for the best listening experience.
- Secure Mounting: Ensure the unit is firmly mounted to prevent vibrations from affecting performance or causing damage, especially in a moving vehicle.
Warranty and Support
For information regarding warranty coverage, terms, and conditions, please refer to the documentation provided at the time of purchase or contact your retailer. For technical support, product inquiries, or service, please reach out to Taramps customer service directly through their official website or authorized service centers.
