Best Subwoofer Filter

Precision Power E.DZ 7-Band Dual Zone Graphic Equalizer with Auxiliary Input and Independent Subwoofer Control

FEATURES: This E.7 1/2 DIN 7-Band Equalizer includes: independent subwoofer level control, 2 selectable balanced RCA inputs, RCA outlets for front, rear, & subwoofer. It also includes white LED backlit control knobs and built-in 7V max line driver..
DESIGN: The equalizer contains 7 frequency bands, +/- 12dB boost/cut for each band, LED display shows frequency & voltage, variable 30-300Hz subwoofer low-pass filter, variable 15-50Hz 12dB subsonic filter, input selector switch & fade control..
RCA INPUTS: With the RCA inputs so that you can connect it to your aftermarket system. The RCA outputs ensure that your amplifiers will get a clean, powerful signal for maximum performance..
BALANCE LOW/HIGH: Precision Power E.7 offers 7 bands of equalization that’ll let you fine-tune your sound, along with independent master volume, subwoofer level, and fader controls that’ll maintain your highs and lows in balance..
VERSATILITY: Perhaps you have an older car stereo system that you need to get more or you have an all-new setup that you crave the maximum potential, this equalizer will help you achieve that by fine tuning your sound..

Class D MOSFET Mono Block Power Amplifier.
RMS Power at 1 Ohm:1500 Watts，RMS Power at 2 Ohms: 800 Watts，RMS Power at 4 Ohms: 510 Watts.
Low Pass Crossover - A low-pass filter is an electronic circuit that removes all the notes below the filter's frequency setting. You will use the Low-pass filter to primarily keep high notes out of your subwoofer(s).
Remote Subwoofer Level Control Included.Variable Bass Boost - Variable Bass Boost 0 to 12dB(50Hz) allows you to adjust the low bass within the boost range to just the way you like it..
Warranty -TopstrongGear provides a powerful 2 year Platinum Online Dealer Warranty.

Space Saver - If you are tight on space, this is a great solution for you. The combination of amplifier and subwoofer all into one, makes this ideal for spatially challenged vehicles. With a slim design, there are a few installation options.
Pulse Width Modulated - PWM simplifies power supplies. It controls the output voltage and current precisely by not only removing the output current sensing loss, but also eliminating all secondary feedback circuitry. Efficiency. Increased reliability.
Variable Low-Pass Filter - A low-pass filter is an electronic circuit that removes all the notes below the filter's frequency setting. You will use the Low-pass filter to primarily keep high notes out of your subwoofer(s).
High Level Inputs - Speaker level inputs are commonly referred to as high-level inputs. It will be used to connect the BASS8 to your factory radio or an aftermarket radio that does not have low-level (RCA) inputs.
Low Level Inputs - Line level inputs, also known as RCA inputs or low-level inputs, use RCA interconnect cables to link the BASS8 with the source unit. Most aftermarket radios have multiple pairs of RCA outputs that can connect to multiple amplifiers.
Variable Bass Boost - Variable Bass Boost allows you to adjust the low bass within the boost....

STURDY DESIGN: Underseat vented subwoofer features a die-cast enclosure, 2 passive radiators, and a Class D amplifier.
OEM INTEGRATION: Underseat car subwoofer includes high and low-level inputs with hi-level sensing for OEM integration.
AMPLIFIER INCLUDED: 150-watt RMS amplifier provides a strong bass, adding thump and intensity to any speaker system.
REMOTE CONTROL: Bass knob remote control included to easily adjust the subwoofer's settings.
SPECIFICATIONS: Features a blue LED illuminated Tarantula logo.

Features: Rockville RockGhost Powered Car Subwoofer (Amplifier built in). Sub Fits Inside Spare Tire Seamlessly (Goes on top of spare tire so you can....
For Full Size Spare Tire Wheel Sizes of 15"/16"/17". Extremely loud (loud enough to vibrate your mirrors). Super clean sound that is musical and will....
PWM MOSFET power supply amplifier built in. Low level RCA inputs. 8” high excursion Subwoofer. Reverse mounting design. Plug and play installation....
Wired 20 foot dash remote with adjustable gain, bass boost, low pass crossover filter, and phase control. Deep and clear bass frequency. Auto turn on....
Phase Switch: 0° or 180°. Low Pass Filter: 50Hz - 150Hz. Frequency response: 20 Hz – 250 Hz. Bass Boost: 0 - 12dB @ 45Hz. 20 Hz Subsonic Filter.....

Class D MOSFET Mono Block Power Amplifier.
RMS Power at 1 Ohm:1500 Watts，RMS Power at 2 Ohms: 800 Watts，RMS Power at 4 Ohms: 510 Watts.
Low Pass Crossover - A low-pass filter is an electronic circuit that removes all the notes below the filter's frequency setting. You will use the Low-pass filter to primarily keep high notes out of your subwoofer(s).
Remote Subwoofer Level Control Included.Variable Bass Boost - Variable Bass Boost 0 to 12dB(50Hz) allows you to adjust the low bass within the boost range to just the way you like it..
Warranty -TopstrongGear provides a powerful 1 year Platinum Online Dealer Warranty.

Bass Boost: 0-12dB Subsonic Filter: 35Hz LPF Filter: 75-150Hz Phase Switch: 0 or 180 degrees.
PWM MOSFET Power Supply/Thermal Protection Circuit Adjustable Input Sensitivity Remote Subwoofer Control Included.
RCA and High-Level Inputs Delayed Soft Remote Turn On Slim 10” 2Ω subwoofer Remote Bass Knob Included.
Dimensions: 13.6” X 9.65” X 2.8”(L X W X H) 345 X 245 X 72 mm (L X W X H).