Reviews Passive Filter

Decibullz - Custom Molded Professional Filters, Perfect for Musicians, Recording Professionals and Concertgoers

  • PROFESSIONAL ACOUSTIC PERFORMANCE: Decibullz Professional Filters combine Decibullz top rated DIY Thermo-fit Molded Earpieces with professional acoustic filter technology to provide state of the art hearing protection while maintaining clarity of sound with full music dynamic..
  • ACCURATE PASSIVE REDUCTION: Decibullz Professional Filters use a physical passive membrane that is made of a breathable material, this leads to optimal linear attenuation of the filter. The advanced membrane is tuned to maintain natural sound clarity for users..
  • FULL CLARITY OF SOUND: Traditional noise-isolating earplugs and cheap, generic acoustic filters may offer some protection, but incoming sound is muted, muffled, and distorted. These filter earplugs reduce loud noises while maintaining a high level of sound accuracy. So whether you’re at a stage performance, concert or nightclub, the sound remains clear and is not distorted..
  • CUSTOM-FIT PRNAOFESSIONAL FILTERS: Decibullz earplug technology is great for loud concerts, whether you’re on the stage or in the audience. Our professional high fidelity filters feature Decibullz simple EZ Shape custom moldable system designed to fit your unique ear shape. They’re reusable, remoldable and they won’t hurt or fall out..
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BOSS Audio Systems CUBE10 Car Subwoofer and Amp Package – Built-in Amplifier, 10 Inch Subwoofer with Passive Radiator, Remote Subwoofer Control

  • Built-in Amplifier - A built-in 600 Max watt amplifier powers the 10” subwoofer.
  • Passive Radiator – A driver unit that has its motor structure (magnet) removed, becomes a passive diaphragm. As a result, there is no Chuffing that you would generally get with a ported box, thus enriching the BASS & making the system more linear.
  • 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 Input - Speaker level inputs are commonly referred to as high-level inputs. It will be used to connect the CUBE10 to your factory radio or an aftermarket radio that does not have low-level (RCA) inputs.
  • Phase Control - Phase control lets you adjust the speaker phase with the amplifier if your speakers or subwoofer are hooked up “out of phase”.
  • Low Level Input - Line level inputs, also known as RCA inputs or low-level inputs, use RCA interconnect cables to link the CUBE10 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 ....
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CERWIN Vega Under Seat Enclosed Powered Plug and Play Subwoofers Series (VRAD10)

  • 10" 4 Ohm Vega Series Subwoofer Built-In Passive Radiator.
  • Power Handling: Peak: 600 watts RMS: 200 watts.
  • Remote Subwoofer Control Included RCA and High-Level Inputs.
  • Subsonic Filter: 35Hz Low Pass Filter: 30Hz - 150Hz.
  • Phase Switch: 0 or 180 degree Bass Boost: 0 to 12 dB.
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Bazooka MBTA8100 8-Inch 100-Watt Marine Amplified Tube Subwoofer

  • Marine-Ready 8" Amplified Bass Tube waterproof 8" Woofer With Foam Surround power Output: 100 Watts Rms.
  • Low-Pass Filter (85 Hz, 18 Db/Octave)Subsonic Filter (12 Db/Octave At 35 Hz)Frequency Response: 39-85 Hz.
  • Sensitivity: 105 DB speaker- And Preamp-Level Inputs9-7/8"W X 8-9/16"H X 18-3/8"D.
  • Eight-inch, waterproof subwoofer with 100 Watts power handling.
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Mohu Jolt TV Antenna In-Line Amplifier with 6 ft USB Cable and USB Power Adapter MH-110569

  • The CleanPeak filter technology with a 15dB gain is specially designed to amplify TV signals and filter out any potential interference from cellular....
  • Designed for passive TV antennas, the Jolt offers a sleek appearance that will enhance both the TV antenna's visual appeal as well as improve the....
  • Jolt TV antenna in-line amplifier offers two power options - either with the USB port on the back of your TV while only using power when your TV is....
  • Revoltionary Clean Peak filter technology with 15dB gain and a low-noise figure to filter out cellular and FM signals and amplify the TV signals you....
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Fosi Audio M04 Subwoofer Amplifier for Home Theater Mono Channel Digital Class D Integrated Power Amp for Passive Speakers Subwoofer Rated 100W MAX

  • Fosi Audio M04 is a subwoofer amplifier mono amp driving passive subwoofer or passive speakers. M04 adopts Texas Instruments TPA3116 chip, NE5532 op-amp, which can provide 100watt output power for a 4-ohm subwoofer or speaker..
  • M04 SUB amp improves the bass response of passive subs, designed with a selector to switch to a subwoofer bass amplifier or full frequency mono amplifier..
  • Mini size and solid shell, built-in low pass filter for subwoofers with sub frequency control, it’s practical and powerful. Highly efficient Class D technology runs cool under demanding loads and doesn’t take up a lot of space..
  • This home Hi-Fi amplifier can get a deep, crisp, clean low-frequency sound effect in dedicated home theater, enhanced sound and performance to your system at an affordable price..
  • What You Get: M04 subwoofer amp x1, 19V/4.74A power supply x1, user manual x1, our worry-free 18-month warranty, and friendly customer service..
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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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Black Matte Powder Coated Skull Exhaust Tip - 4', 3', 2.5' or 2' (3 Inch)

  • Contains a Face Mask Two Free Filters. 100% Polyester Fiber (Polyester), 5-Layer Activated Carbon Filter, M-Shaped Nose Clip..
  • Protect Your Health: Each Filter Is Crafted With 5 Layers, Contains Activated Carbon, Anti-sticking Cloth, Two Layers Of High Efficiency Filter Cloth. 2pcs PM2.5 Carbon Filters Will Come With Every Cotton Mouth Masks. Protecting From Dust, Pollution, Vehicle Exhaust, Sandy Air, Passive Smoking, Etc..
  • This Mask Is Specially Designed For Men And Women'S Faces. The Double Elastic Band Can Be Hung On The Ears. It Is Very Comfortable And Easy To Wear, Suitable For All Kinds Of People..
  • Our Masks Adopt New Digital Printing Technology. They Are Colorful, Fadeless And Free Of Harmful Substances.The Fun Graphic Design, No Matter What You Want To Match Your Outfit..
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PAUFOGAS Washable Mouth Guard with Replaceable Filter Activated Carbon Soft Cover

  • Material: This Reusable Cover Adopts High Quality Polyester, Skin-Friendly, Breathable And Comfortable To Wear, Provides Your A Better Wearing Experience..
  • Protect Your Health: Each Filter Is Crafted With 5 Layers, Contains Activated Carbon, Anti-Sticking Cloth, Two Layers Of High Efficiency Filter Cloth. 2pc Carbon Filters Will Come With Every Cotton Dustproof Mouth Cover. Protecting From Dust, Pollution, Vehicle Exhaust, Sandy Air, Passive Smoking, Etc..
  • Adjustability: Humans Are Not All Built The Same, Our Handcrafted Guard Comes With Adjustable Ear Straps And M-Shaped Nose Clip To Fit Better A Variety Of Faces. Our Unique Nose Clamp Helps Our Air Filter Cover Fit Better And Increase The Sealing Effect. Give You The Most Comfortable Experience And The Most Secure Guarantee..
  • All Occasion: Two Size Fits Most Adult And Kids. (5.9×7.9 Inch/5.1×6.9 Inch). Suitable For Running , Cycling , Hiking , Skiing And Other Outdoor Activities..
  • Easy To Use: Easy And Not Need Much Time, Just Insert The Filter To It. Cares For Your Skin Keep Fresh Recommended Replacement Of 1~2 Times A Week..
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Man Women's Reusable Adjustable Face Mask with Adjustable Ear Loops Cooling Bandana 25

  • Contains a Face Mask Two Free Filters. 100% Polyester Fiber (Polyester), 5-Layer Activated Carbon Filter, M-Shaped Nose Clip..
  • Protect Your Health: Each Filter Is Crafted With 5 Layers, Contains Activated Carbon, Anti-sticking Cloth, Two Layers Of High Efficiency Filter Cloth. 2pcs PM2.5 Carbon Filters Will Come With Every Cotton Mouth Masks. Protecting From Dust, Pollution, Vehicle Exhaust, Sandy Air, Passive Smoking, Etc..
  • This Mask Is Specially Designed For Men And Women'S Faces. The Double Elastic Band Can Be Hung On The Ears. It Is Very Comfortable And Easy To Wear, Suitable For All Kinds Of People..
  • Our Masks Adopt New Digital Printing Technology. They Are Colorful, Fadeless And Free Of Harmful Substances.The Fun Graphic Design, No Matter What You Want To Match Your Outfit..
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PAUFOGAS Anti Pollution Face Guard with Replaceable Filter Activated Carbon Soft Cover

  • Material: This Reusable Cover Adopts High Quality Polyester, Skin-Friendly, Breathable And Comfortable To Wear, Provides Your A Better Wearing Experience..
  • Protect Your Health: Each Filter Is Crafted With 5 Layers, Contains Activated Carbon, Anti-Sticking Cloth, Two Layers Of High Efficiency Filter Cloth. 2pc Carbon Filters Will Come With Every Cotton Dustproof Mouth Cover. Protecting From Dust, Pollution, Vehicle Exhaust, Sandy Air, Passive Smoking, Etc..
  • Adjustability: Humans Are Not All Built The Same, Our Handcrafted Guard Comes With Adjustable Ear Straps And M-Shaped Nose Clip To Fit Better A Variety Of Faces. Our Unique Nose Clamp Helps Our Air Filter Cover Fit Better And Increase The Sealing Effect. Give You The Most Comfortable Experience And The Most Secure Guarantee..
  • All Occasion: Two Size Fits Most Adult And Kids. (5.9×7.9 Inch/5.1×6.9 Inch). Suitable For Running , Cycling , Hiking , Skiing And Other Outdoor Activities..
  • Easy To Use: Easy And Not Need Much Time, Just Insert The Filter To It. Cares For Your Skin Keep Fresh Recommended Replacement Of 1~2 Times A Week..
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50PCS PM - 2.5 Activated Carbon Filter, 5 Layers Anti Haze Dust Proof Square Arc Active Carbon Filter for PM - 2.5, Adult Size

  • Advanced Filtration Tecnology: The filter element of this mask has 5 layers of protection, bringing you a safe breathing experience. (50PCS in total).
  • Wearing a mask with additional filter reduces the risk of breathing in harmful particles..
  • Warm Tips: Masks Replacement Filters, disposable supplies cannot be washed. Recommend replacement of 1~2 times a week..
  • Unique Ventilation Design: Excellent permeability easily be doubled up for extra protection.Suitable for prevent fog, haze, ehicle exhaust, passive smoking, etc..
  • The mask filter provide comfortable protection for people.Suggest replace the fliters every week of uses for the best effect..
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Fosi Audio Subwoofer Amplifier Mono Channel Amp Home Theater Power Amplifier 100W M02

  • ❤ 【Hi-Fi Amp with Clean Sound Quality】M02 subwoofer amp adopt with the Instruments TPA3116 chip,NE5532 op-amp, can provide 100watt output power for 4 ohm subwoofer or speaker. No pop, no audible noise, dead silent when nothing is playing through it..
  • ❤【Home Hi-Fi amplifier】Home Hi-Fi mono integrated class d amplifier, Exclusively designed for the customers who pursue HiFi sound.
  • ❤ 【Full-Frequency and Sub Bass Switchable 】With a selector can be switched to subwoofer bass amplifier or full frequency mono amp, can be connected to passive suboower, passive speaker or active subwoofer..
  • ❤【Mini Compact but Powerful】Built-in low pass filter for subwoofers with sub frequency control, small simple compact design but practical and powerful.
  • ❤【High Quality After-sale Service】 With 18 months warrenty and 24 hours after-sale service online to provide you the great shopping exprerience..
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