5-Band Pre-Amp Equalizer with Bass Processor - EQP850
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Overview
5-Band Pre-Amp Equalizer with Bass Processors
The Cerwin-Vega EQP850 5-Band Pre-Amp Equalizer with Bass Processors is an essential tool for anyone looking to achieve superior sound customization in their car audio system. With its detailed frequency control, high output capabilities, and versatile input options, the EQP850 provides enhanced audio performance and overall sound quality. Whether you are a casual listener or an audio enthusiast, this equalizer allows you to tailor your listening experience with precision and style.
The Cerwin-Vega EQP850 is a robust 5-band pre-amp equalizer designed to provide superior sound quality and extensive audio control for car audio enthusiasts. Equipped with advanced features like a high output voltage, bass processors, and versatile input options, the EQP850 is perfect for achieving an optimal audio experience in any vehicle.
Key Features:
- 5-Band Parametric Equalization:
- Adjustable Frequency Bands: Allows precise control over five distinct frequency bands, enabling users to fine-tune the audio output to their specific preferences.
- High Output Level:
- Up to 9 Volts RMS Output: Provides a powerful, clean signal to amplifiers, ensuring minimal noise and distortion for high-quality sound reproduction.
- Subwoofer Control and Bass Processing:
- Separate Subwoofer Level Control: Dedicated control for adjusting the subwoofer output level independently from the main audio, ensuring precise bass management.
- Bass Processors: Enhances and restores bass frequencies for a richer, more dynamic low-end response.
- Filtering Options:
- Selectable Low Pass Filter: Allows for precise control over the low-frequency output, directing only the desired frequencies to the subwoofer.
- Versatile Input Options:
- High-Level Input: Compatible with high-level input signals from OEM head units or other audio sources.
- Selectable MP3 Input: Dedicated input for MP3 players or other portable audio devices.
- Auxiliary Input: Additional input for connecting external audio devices.
- Aux/Mains Select Switch: Easily switch between auxiliary input and main audio source for convenience.
- Illumination Control:
- Multiple Color Backlit Illumination Control Panel: Customizable illumination for the control panel, enhancing visibility and aesthetics inside the vehicle
Specifications
Product Manuals
Master Your Mobile Audio
Unleash the full potential of your car sound system. This premium series puts studio-grade acoustic tuning right at your fingertips, turning ordinary factory audio into an immersive, concert-like experience.
Engineered for Pure Performance
Upgrade seamlessly with a durable, high-voltage signal booster built to last. It delivers maximum sonic clarity and impactful bass management, offering elite audio customization at an unbeatable value.
Crossover, Digital Sound Processors, Signal Converter, Bluetooth Receivers - FAQ
Q1: When do I need a line‑output converter (LOC)? How should I choose between IOEM‑series LOC and compact SLMLOCT series?
A: You need a LOC when your factory head‑unit lacks RCA pre‑amp outputs, and you plan to add external amplifiers. It converts high‑level speaker‑level signals into low‑level RCA signals. IOEM models are active units with ground‑isolation and load‑select switches, ideal for complex installations prone to noise. The compact SLMLOCT series fits tight spaces for basic upgrades. Match channel count to your system: pick 2‑in‑2‑out for two‑channel builds, or 4‑in‑4‑out for multi‑amplifier setups.
Q2: What are the main differences between DSP, analogue EQ equaliser, and LOC? Can they be used together?
A: A LOC only converts signal voltage level without tone adjustment. An analogue graphic EQ lets you manually adjust frequency bands as an analogue pre‑stage. Digital DSP offers crossovers, time‑alignment, phase adjustment and parametric EQ via tuning software. They can be combined properly: the factory signal feeds a LOC, then passes to DSP and onwards to amplifiers. Avoid cascading multiple analogue EQ units, as this will raise the noise floor and degrade sound quality.
Q3: Can BTR‑series Bluetooth receivers work without a factory head‑unit? What vehicles are they suitable for?
A: BTR Bluetooth receivers operate standalone without an OEM radio, outputting RCA audio to amplifiers. They work great for UTVs, jet‑skis, motorcycles and off‑road vehicles with no stock head‑unit. They can also add wireless streaming to existing car‑audio systems. Check model specs; select water‑resistant variants for rough outdoor and wet environments.
Q4: Will the CHGLIRCA ground‑loop isolator definitely fix alternator whine noise?
A: The CHGLIRCA isolator suppresses ground‑loop noise, yet it is not a universal fix. When you hear engine‑speed‑dependent whine, first verify all devices are grounded to bare chassis metal, route RCA cables away from power wires, and set the correct load‑select switches on your LOC. Add the isolator only after proper wiring has been completed. It cannot eliminate noise originating from a contaminated vehicle power supply.
Q5: What installation tips apply to DSP processors? Will a DSP drain my car battery?
A: DSP units require 12V constant power, ground and a REM turn‑on signal. Use ACC‑switched power so the unit sleeps automatically at ignition‑off to prevent battery drain. Mount away from heat and moisture. Physical installation is not complete without tuning: configure crossovers, time‑alignment and EQ with official software. Keep input/output gain moderate to prevent signal clipping. Professional shop tuning is recommended if you are unfamiliar with DSP tuning workflows.