Top 8 Best Car Preamp

Front Adjustable EQ Band Frequencies 125 Hz, 500 Hz, 3.5 kHz, 12 kHz. Rear Adjustable EQ Bands Frequencies 50 Hz, 600 Hz, 6.3 kHz. Switchable Subwoofer Filter 32 Hz 128 Hz, Frequency Response 10 Hz 15 kHz. Inputs Dual 2 Channel Source. Outputs Front, Rear Sub. Fader Control. Gain - 18 dB, Maximum Input Voltage 15 Volts, Maximum Output Voltage 8 Volts. Signal to Noise Ratio 110 dB, Channel Separation 20 dB, Total Harmonic Distortion 0.050. Dimensions Depth 4.6 x Width 7 x Height 1. 1 Year Warranty. 7 Bands. RCA Input Subwoofer output. Subwoofer level control Preampamplified, Preamp. Night illumination.  Subwoofer Level Control.

12-DIN chassis graphic equalizer with built-in low-pass filter6-channel 8-Volt RCA outputs front, rear and subwoofer7-ban graphic equalizer 50Hz, 125Hz, 315Hz, 750Hz, 2.2Khz, 6Khz, 16Khz. 3.5mm Front aux input2-channel RCA aux input with variable gain adjustments and high level speaker inputs. Blue illumination independent master volume and subwoofer level Control with fader control select able 12Db low-pass Filer 60Hz or 90Hz. Ground loop isolation circuit Dimensions 7wx4-14lx1h.

6 Channel 7-Band High Performance Car Audio 12 DIN Pre-Amp Electronic Equalizer. Featuring 2 Balanced Selectable RCA Inputs - Main and Auxiliary Aux w Variable Gain Control THD 0. 005. High Voltage Max Output Voltage - 7V Gold Plated Pre-Amp RCA Outputs - Front, Rear, and Subwoofer with Variable Subwoofer Level Control on Front of EQ. 7 Fully Adjustable -12 dB to 12 dB EQ Bands 50 Hz, 125 Hz, 320 Hz, 750 Hz, 2. 2 kHz, 6 kHz, 16 kHz with Built-in Fader Control. Take Full Control Over Your Car Audio System with this EQ Signal-to-Noise Ratio 100 dB, Low Pass Frequency Switch 60 Hz 120 Hz. Includes Installation Mounting Brackets and Hardware 20 dB Headroom Eliminated Signal Overload. Included components Installation Brackets and Hardware.

Seven equalization bands 50Hz, 125Hz, 315Hz, 750Hz, 2.2kHz, 6kHz, and 12kHz, each frequency is adjustable from -12 to 12dB -15 to 15dB for subwoofer frequencies. Subwoofer output uses a built-in 43-120Hz, 60-200Hz. Three stereo RCA outputs to drive front, rear, and subwoofer audio amplifiers. An auxiliary stereo RCA input for use with portable devices, such as an MP3 Player or DVD player. Separate controls for master volume, subwoofer volume sub level, frontrear fader, and selection of main or auxiliary inputs. RCA connectors to ensure the best audio signal output. ISO mounting holes and removable trim ring for custom installation.

Dual Color Illumination. Variable Subwoofer Filter, Subwoofer Level Control, Master Volume Control. Switchable Phase Selector, Fader Control, Input Selector, 2 Source Input. Gold-Plated Front, Rear, and Subwoofer Outputs, Pre-amp Output 7 V. EQ Band Center Frequencies 40 Hz, 150 Hz, 1 kHz, 20 kHz. Boost Cut at Center Frequencies - 18 Db. Dimensions 4-1 4 L x 6-13 16 W x 1-1 8 H. Warranty Sound Storm Provides A 1 Year Platinum Online Dealer Warranty So Long As The Purchase Is Made Through Amazon.com.

Features of R7EQ Rockville R7EQ 12 Din 7 Band Car Audio Equalizer EQ w Front, Rear Sub Output, Includes mounting brackets and screws for easy installation, 7 adjustable bands of equalization 50Hz,125Hz,315Hz,750Hz,2.2KHz,6KHz and 12KHz, Each band is adjustable from -18dB to 18dB, Adjustable subwoofer frequency from 40Hz to 250Hz. Built in crossover, Subwoofer level controls and subwoofer frequency cutoff controls 40-250 Hz, Built in 7 volt line driver, Blue LED lights on each rotary knob, Front, rear, and sub preamp outputs, Aux input with gain knob to adjust aux volume. Strong metal chassis with high quality rotary knobs for all controls, Amazing quality with low distortion Built with top quality components, Frequency response 20Hz TO 20KHz - 1dB, SN Ratio 101 dB, Crossover Roll-Off 12dB per octave, Input impedance 10K. Input sensitivity 200mv per channel 7V, THD 0.01, Input 12V, Output 15V, Power requirement 11-16V DC, Unit dimensions in inches 7.04 x 4.72 1.1.

Mutiple inputoutput interfaces with 3.5mm AUXstereo RCA5-DIN inputs and stereo RCA5-DIN outputs, can be compatible with most low-volume audio sources such as ipod, ipad, phone, TV, MP3 player, potable CD player, computer, video game etc., and boost their output to the level needed to drive amplifier or speakers.. With built-in amplification and voltage boost circuit adjustable gain to match better with different audio sources, support DC 5-24V wide input voltage that can share the power supply of amplifiers, while L1 can always work at a high voltage of 26V to provide 12.5V high output amplitude and max 20dB high gain.. Unique design and HiFi clear sound double-side PCB design, NE5532P op amp with pluggable socket design, convenient to change other op amps to enjoy different sound and bring much DIY fun for audiophiles. High-qaulity sealed potentiometer, with wide frequency bandwidth and excellent dynamic response, the sound is smooth and natural, warm and delicate with ultra-low distortion.. Mini size with exquisite appearance, compact and all-metal design for durability and shielding the electronics from electromagnetic interference with noise rejection. Perfect design in size and function, suitable for many scenarios to increase the output level, such as home stereo system, mixer or speaker setup, karaoke, audio recording, party, live stage event etc..

Half-DIN, 7-Band Preamp EQ With FrontRear Active Crossover Features. Line Driver Circuit Delivers 9 Volts Of Preamp Level Signal Through The RCAs. Master Volume Control Of The SPL-Level For Both Sound Sources. Selectable Subwoofer Output Frequency 60Hz, 80Hz, 120Hz. Frequency Response 10Hz - 20kHz Signal to Noise Ratio 99dB.

2 selectable balanced inputs front panel aux input. 4 bands 18Db parametric equalizer. Independent volume fader control. 1 DbOctave Pre-Amp. Isolated Pwm Power Supply. 1 DbOctave Pre-Amp. Isolated Pwm Power Supply. Maximum Output 8V. Subwoofer Crossover Variable 30-20 Hz. SN Ratio 10 Db 1 A Weighted.

CUSTOMIZED CONTROLS Adjustable subwoofer frequency and subwoofer output level controls for customized use. QUALITY PERFORMANCE Nickel-plated locking adjustable knobs for user-friendly operation Active gain pre-amplifiers with adjustable input sensitivity for maximum performance Input sensitivity 50mV-3V. FREQUENCY RANGES Graphic center frequencies 50 Hz, 125 Hz, 315 Hz, 750 Hz, 2.2 kHz, 6 kHz, and 16 kHz Subwoofer frequency 60Hz90H Frequency response 10 Hz-50 kHz, plus or minus 1 dB. SPECIALIZED CONTROLS Individual left and right sensitivity controls for auxiliary input Main auxiliary input selector 20 dB headroom output and level controls 3 stereo RCA outputs Main auxiliary input selector. SPECIFICATIONS Boostcut 18 dB SN ratio 100 dB Weight 1.6 pounds Maximum output voltage 9 volts THD 0.005 percent.