Top Variable Frequency Driver Reviews

BOSS Audio Systems AR4000D Class D Car Amplifier - 4000 Watts, 1 Ohm Stable, Digital, Monoblock, Mosfet Power Supply, Great for Car Subwoofers

Variable Bass Boost - Bass Boost allows you to adjust the low bass within the boost range to just the way you like it.
Variable Subsonic Filter - To prevent your subwoofer(s) from bottoming out, the variable subsonic filter filters out frequencies below the subwoofer(s) specified low frequency limits and allows the driver to reach a maximum safe excursion.
Variable Low-Pass Crossover - Subwoofers reproduce sound based on a number of different low-range frequencies. You can set exact sound specifications for the bass frequency reproduction.
Specs - Dimensions: 14.3 x 6.5 x 2.8, Weight: 7.96 lbs..
Warranty - BOSS Audio Systems provides a powerful 6-year Platinum Online Dealer Warranty so long as the purchase is made through Amazon.com. We strongly encourage professional installation of this product to ensure proper and safe functionality.

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DURATECH Impact Driver Kit - 20V Electric 1/4 Inch Driver Set with 20 Pcs Sockets and Screwdriver Bits, Fast Charger and Heavy Duty Storage Case Included

【Powerful Driver】Strong motor provides 1500 in-lbs high torque and 3500BPM impact frequency, the cordless driver can drive screws or tighten nuts with incredible speed on concrete or hardwood.
【Variable Speed Trigger】Convenient trigger on the driver provides smooth speeds of 0-2900RPM to the changing demands of your different applications.
【Forward Lock Reverse Switch】The rotation of this battery-operated driver can be adjusted with one hand. When the switch is in the middle, the driver is safely locked. And it will not run even if you press the trigger accidentally.
【Durable Driver Bit Set】20 pcs driver bits and sockets made of S2 alloy steel let you screw wood, plastic, drywall, brick, and metal effortlessly. Meet your different needs of profession and hobby.
【1 Hour Fully Charge】2.0Ah battery weighs just 0.88 lbs, making it effortless to be used for a long time along with the 2.84 lbs driver. 2.4Ah ultra-fast charger can shorter charging time and improve efficiency significantly.

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BOSS Audio Ohm Stable Car Amplifier with Remote Subwoofer Control

...and double the power that is being sent to your subwoofer(s). You now have the ability to connect more subwoofers to take advantage of the extra power.
Variable Subsonic Filter - To prevent your subwoofer(s) from bottoming out, the variable subsonic filter filters out frequencies below the subwoofer(s) specified low frequency limits and allows the driver to reach a maximum safe excursion.
Variable Low-Pass Crossover - Subwoofers reproduce sound based on a number of different low-range frequencies. You can set exact sound specifications for the bass frequency reproduction.
Specs - Dimensions: 13.5 x 10.44 x 2.25, Weight: 7.63 lbs..
Warranty - BOSS Audio Systems provides a powerful 6 year Platinum Online Dealer Warranty so long as the purchase is made through Amazon.Com. We strongly encourage professional installation of this product to ensure proper and safe functionality.

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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..

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BOSS Audio Systems AR3000D Class D Car Amplifier - 3000 Watts, 1 Ohm Stable, Digital, Monoblock, Mosfet Power Supply

...and double the power that is being sent to your subwoofer(s). You now have the ability to connect more subwoofers to take advantage of the extra power.
Variable Subsonic Filter - To prevent your subwoofer(s) from bottoming out, the variable subsonic filter filters out frequencies below the subwoofer(s) specified low frequency limits and allows the driver to reach a maximum safe excursion.
Variable Low-Pass Crossover - Subwoofers reproduce sound based on a number of different low-range frequencies. You can set exact sound specifications for the bass frequency reproduction.
Specs - Dimensions: 12.31 x 6.50 x 2.80, Weight: 6.86.
Warranty - BOSS Audio Systems provides a powerful 6-year Platinum Online Dealer Warranty so long as the purchase is made through Amazon.com. We strongly encourage professional installation of this product to ensure proper and safe functionality.

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Planet Audio MB1200.1D Class D Car Amplifier - 1200 Watts, 1 Ohm Stable, Digital, Monoblock, Mosfet Power Supply, Great for Subwoofers

Power – 1200 Watts Max x 1 @1-Ohm, 600 Watts Max x 1 @2-Ohms, 300 Watts Max x 1 @4-Ohms.
Class D – Power loss is significantly reduced making the amplifier highly efficient. Excess energy is stored until it’s needed instead of being converted into heat. Reduction in size/weight, reduced power waste, smaller heat sink, compact circuitry.
1 Ohm Stable – Able to continuously power loads of 1 Ohm without encountering difficulties such as overheating. Typically made to power up subwoofers that demand the heavier power load requirements to be able to perform the way they were made to.
Variable Bass Boost – Bass Boost allows you to adjust the low bass within the boost range to just the way you like it.
Variable Subsonic Filter – To prevent your subwoofer(s) from bottoming out, the variable subsonic filter filters out frequencies below the subwoofer(s) specified low frequency limits and allows the driver to reach a maximum safe excursion.

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LEIGESAUDIO 500 Watts MonoBlock Amplifier, Class D, 1 Ohm Stable Subwoofer Amplifiers for Car Audio Speakers

...made to power up subwoofers that demand the heavier power load requirements to be able to perform the way they were made to..
VARIABLE SUBSONIC FILTER WITH LOW-PASS CROSSOVER – To prevent your subwoofer(s) from bottoming out, the variable subsonic filter filters out frequencies below the subwoofer(s) specified low frequency limits and allows the driver to reach a maximum safe excursion. Reproduce sound based on a number of different low-range frequencies. You can set exact sound specifications for the bass frequency reproduction..
WARRANTY – As long as you purchase through Amazon.com, LEIGESAUDIO provide a comprehensive 3-year VIP online reseller warranty. We strongly encourage professional installation methods to ensure excellent performance and safe functions of this product..

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California Project

...T power supply you get improved switching speeds, better performance with less power from the driver, lower gate-to-drain feedback capacitance, lower thermal impedance for higher switching frequencies.
Variable Low-Pass Filter - A low-pass filter is an electronic circuit that removes all the notes above 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 LOPRO10 to your factory radio or an aftermarket radio that does not have low-level (RCA) inputs.
Low-Level Inputs - Line level inputs (RCA inputs / low-level inputs) use RCA interconnect cables to link the LOPRO10 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 range to just the way you like it.
Specs – 15.5” x 11” x 3”. If you are short 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. Weight: 13 lbs..
Warranty - Sound Storm provides a powerful 3-ye....

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Earthquake Sound Tremor-X154 15-inch Car Subwoofer, 1500 Watts

MAGMA-X Active Driver: 15-inch high excursion active driver with massive moving structure and double spider to produce deep, dynamic, and hard-hitting bass.
SLAPS V2 Passive Radiator: The gold standard in passive radiator design, SLAPS helps the subwoofer effortlessly produce more bass at sub-harmonic levels while reducing the load on the amplifier - Reach dominating LFE without port noise..
LM1000 Amplifier: Built-in high efficiency class "D" amplifier, 600 WRMS and 1200 PEAK, 17-120Hz frequency response, 24dB/Oct variable low pass filter from 50-150Hz, 0-180 degree phase shift switch, gain control knob, 12V trigger sensing, power switch and LED indicator.
Inputs and Outputs: RCA low level input and output, balanced XLR input, and built-in input selector switch.
In the Box: Piano Black 15-inch Supernova Luminous powered subwoofer, detachable grilles, power cable, IR remote, remote eye, and product manual.

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BOSS Audio Systems Elite BE4000D Class D Car Amplifier - 4000 Watts, 1 Ohm Stable, Digital, Monoblock, Mosfet Power Supply, Great for Subwoofers, Remote Subwoofer Control

...and double the power that is being sent to your subwoofer(s). You now have the ability to connect more subwoofers to take advantage of the extra power.
Variable Subsonic Filter - To prevent your subwoofer(s) from bottoming out, the variable subsonic filter filters out frequencies below the subwoofer(s) specified low frequency limits and allows the driver to reach a maximum safe excursion.
Variable Low-Pass Crossover - Subwoofers reproduce sound based on a number of different low-range frequencies. You can set exact sound specifications for the bass frequency reproduction.
Specs - Dimensions: 13.9 x 7.01 x 2.4, Weight: 7.1 lbs..
Warranty - BOSS Audio Systems provides a powerful 6 year Platinum Online Dealer Warranty so long as the purchase is made through Amazon.Com. We strongly encourage professional installation of this product to ensure proper and safe functionality.

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Sound Storm Laboratories LOPRO8 Amplified Car Subwoofer - 600 Watts Max Power Low Profile 8 Inch Subwoofer Remote Subwoofer Control Great For Vehicles That Need Bass But Have Limited Space Black

BUILT-IN AMPLIFIER: With a MOSFET power supply you get improved switching speeds, better performance with less power from the driver, lower....
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....
HIGH LEVEL INPUTS: Speaker level inputs are commonly referred to as high-level inputs. It will be used to connect the LOPRO8 to your factory radio or....
LOW LEVEL INPUTS: Line level inputs, also known as RCA inputs or low-level inputs, use RCA interconnect cables to link the LOPRO8 with the source....
VARIABLE BASS BOOST: Variable Bass Boost allows you to adjust the low bass within the boost range to just the way you like it.

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(2) JBL Pro JRX212 12\ 2000w Professional Passive PA/DJ Speakers 8 Ohm JRX 212

Features: JBI Pro JRX212 12" 1000 Watt 8 Ohm Passive PA/DJ Speaker. JBI 12 in low frequency driver with a 64 mm (2.5 in) diameter edge wound ribbon voice coil. JBI 2414H-C 25 mm (1 in) polymer diaphragm compression driver. Advanced network topology crossover design.
High-voltage capacitors and inductors with massive cores and heavy gauge wire. Progressive Transition high frequency waveguide. 19 mm (.75 in) MDF (Medium Density Fiberboard) enclosure. SonicGuard protects the high frequency driver from excess power without interrupting the performance..
Non-resonant, all-steel handles. 18-gauge hexagon perforated, steel grille Dual-angle pole-mount socket allows the speaker to tilt 10. Specifications: Power Rating : 250 W / 1000 W. Frequency Range (-10 dB) : 60 Hz - 20 kHz. Frequency Response (3 dB) : 80 Hz - 18 kHz.
Sensitivity (@1m) : 98 dB SPL (1w/1m). Nominal Impedance : 8 ohms. Recommended Amplifier Power : 250 W to 500 W into 8 ohms. Maximum SPL : 128 dB. Nominal Dispersion : 90 x 50. Crossover Frequency : 2.1 kHz. Dimensions (H x W x D) : 584 mm x 399 mm x 325 mm (23 in x 15.7 in x 12.8 in).
Weight : 19.5 kg (43 lb). High Frequency Driver : JBI 2414H-C 1" exit compression driver mounted on Progressive Transition Waveguide. Low Frequency Driver : JBI M....

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FOCAL Alpha 80 Studio Monitor (Single)

General Size: Near-field System type: Active Configuration: 2-way Drivers Low-frequency driver: 8" Mid-frequency driver: Not applicable High-frequency driver: 1" Full-range driver: Not applicable Driver type: Polyglass Sound Frequency response: 35Hz - 22kHz Max peak SPL: 109 dB Amplifier class: AB Output power: 140W Onboard Features Input connectors: XLR, RCA Standby mode: Yes A.
The Focal Alpha 80 is a versatile studio monitor with quality components and design.
It serves beautifully in a variety of capacities, performing just as well with instrumental music as with electronic music.
This model comprises an 8" (21cm) woofer/ midrange speaker with a Polyglass cone loaded in a large laminar port associated witha 100W amplifier and a 1" (25mm) aluminum inverted dome tweeter (40W amplifier).
Alpha 80 has a frequency response of 35Hz to 22kHz (+/- 3dB).

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