Reviews Passive Filter

On Air

  • 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.
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OSD Audio 1000W Mono-Channel Class D Subwoofer Amplifier – Onboard DSP, 4-8 Ohm – SMP500

  • The SMP500 is designed for use with higher wattage passive subwoofers that require external power with up to 1000 watts power peak / 400 watts RMS with 4 ohms. It has highly efficient Class D technology to run cool under demanding loads..
  • SOUND QUALITY: Get a deep, crisp, clean low-frequency sound effect in dedicated home theater systems and media rooms to improve the overall sound quality of surround sound systems with dual 100/220 voltage..
  • BASS: This amplifier improves bass response of passive subs with a variable high-cut filter and a front panel control knob that routes higher frequencies to main speakers for low frequency sound effects..
  • CONTROL FEATURES: The SMP500 includes front-mounted power and back panel adjustable gain. A volume control limiter protects the woofers while low and high level pass-through inputs/outputs for greater flexibility..
  • DESIGN: Rack mountable, the SMP500 supplies in-wall or stand-alone subwoofers with the power they need. CE & ETL rated with an auto sensing feature that automatically turns the amp on or off when a signal is detected. A remote control is included..
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Nobsound G2 PRO Hi-Fi 300W Subwoofer Power Amplifier Mono Channel Class D SUB Audio Amp

  • With PBTL/SUB switch: convenient to use G2 PRO as full frequency amp or subwoofer amp, a SUB output is specially designed for active subwoofer. G2 PRO can connect to both passive and active subwoofers. And two G2 PRO can be used to drive left and right channel independently to avoid mutual interference..
  • Max 300W output power: using TPA3255D2 amp chip and equipped with 32V/5A large power supply, enough to drive 320W passive speakers or subwoofers. It also has a good match with outdoor/ bookshelf/ computer/ desktop /ceiling /floor standing speakers..
  • Best design and HiFi sound: with a gain switch to allow 2-level of output level setting (32/36 dB) and SUB frequency adjustment (40-300Hz). It also has built-in speaker protection circuit, low-pass filter to guarantee no audible noise even at high power output, SUB signal and amp can output at the same time to bring HiFi listening experience..
  • Mini size with exquisite appearance: mono integrated class D amplifier, simple compact design but with powerful function, more fashionable and durable solid aluminum chassis, very suitable for HiFi home and desktop audio system use..
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Kichlep Blue and Green Metallic Mermaid Scale Face Mask Scarf, Washable Mouth Cover Adjustable with Filters, for Adult Women & Men

  • Size:7.8Inch x 5.9Inch with Adjustable Earloops Masks can not only bring your comfort, protect u from dust, Equipped with two replaceable 5layer activated carbon filters, Mshaped nose clip for a comfortable fit,Allows for easy breathability elastic closure..
  • Material: Face Mask Mouth Mask Face Cover with 2 Filter Made of 100 percent Polyester, super soft and breathable, will not rub your face. Can be cleaned many times, recycled, health and environmental protection.This mouth mask Washable Reusable Masks,Suitable for both, men,woman to go outside,cycling,shopping and so on..
  • Perfect Gift: The Fashion And Unique Design Face Mask Is Also An Ideal Gift Choice For Your Family Member Or Your Good Friends. It Is A Great Gift For Thanksgiving, Christmas, New Year Or Birthday..
  • Applicable Place:Perfect For Running, Camping, Hiking, Shopping, Travel, Morning Exercise, Cycling, Cleaning, Painting, Show Performance, Party and daily use. Protects you from fog, haze, vehicle exhaust, passive smoking, etc..
  • Health Protection:Protect Your Mouth And Nose From Dust, Cold, Dust, Pollen, Allergies, Smoke, Exhaust Emissions, Passive Smoking, Etc..
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Lord of the Rings Gandalf 360-degree Print Crew Socks

  • 100% Polyester Fiber (Polyester), 5-Layer Activated Carbon Filter, M-Shaped Nose Clip.
  • Pattern: Full Page Printing.Very Comfortable And Easy To Wear, Can Prevent Dust, Small Particles In The Air, Pollen, Etc. Dustproof, Odor Proof,....
  • Use: Washable, Reusable, Easy To Care For Durability..
  • Function: Suitable For Cycling, Camping, Running, Traveling, Climbing And Daily Use. Protect You From Fog, Haze, Vehicle Exhaust, Passive Smoking,Dust....
  • Construction:Light Weight, Adjustable Length.
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Windproof Breathable Mouth Guard with Replaceable Filters, Slappy The Dummy Goosebumps Poster Art Dust Pollution Breathing Protection Cover for Teens Kids - Adjustable Ear Loops

  • Better Protection: Each Filter Is Crafted With 5 Layers, Contains Activated Carbon, Anti-Sticking Cloth, Two Layers Of High Efficiency Filter Cloth. Multiple Carbon Filters Will Come With Every Cotton Dustproof Mouth Cover. Protecting From Dust, Pollution, Vehicle Exhaust, Sandy Air, Passive Smoking, Etc..
  • Adjustability: The Breathing Valve With A Plurality Of Holes Offers Maximum Ventilation Without Sacrificing Filtration. Humans Are Not All Built The Same, Our Handcrafted Face Protection Cover 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 Mouth Protection Guard Fit Better And Increase The Sealing Effect. Give You The Most Comfortable Experience And The Most Secure Guarantee..
  • All Occasion: One Size 5.9x7.9 Inch. Suitable For Running , Cycling , Hiking , Skiing And Other Outdoor Activities..
  • Many Ways Of Matching: 1 Half Face Protection Cover With 6 Filters / 10 Filters. 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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Compact Mini Hum Eliminator Box - 2 Channel Passive Ground Loop Isolator Noise Filter AC Buzz Destroyer Hum Killer w/ 2 1/4-Inch TRS Input and Output for 2 Mono / 1 Stereo Signal - Pyle PHE300

  • REMOVES AC NOISE: The Pyle Hum Eliminator removes 60Hz AC hum caused by ground loops that act like radio antennae (loop antenna). Breaks the ground....
  • PASSIVE DEVICE: The noise isolator is a passive device which does not require power to operate. Equipped w/ ¼” TRS phone inputs and outputs on 2....
  • COMPACT DESIGN: This noise filter device features a high performance ultra compact and portable design allowing you to easily bring it anywhere. It....
  • UNBALANCED TO BALANCED SIGNAL: Automatically converts unbalanced to balanced signal without any signal loss and is responsible for breaking the ground....
  • This unit is designed to reduce or eliminate hum noise caused by AC 160 HZ Electric hum, or faulty ground loop. It will not solve noise caused by....
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(IN STOCK) MADE IN USA Washable Reusable Anti-dust Mouth Face Protection Double Layer Covering 3 Pack With Filters (30 PCS)

  • MADE IN USA ,IN STOCK & SHIPPED From the United States.
  • PREMIUM QUALITY Our 2-ply mouth protection is made of Breathable Cloth.soft and comfortable to your face, Insertable pocket. very effortless breathable to wear.
  • ANTI-DUST, WASHABLE AND REUSABLE - you could be pro WIDE APPLICATION - This anti-dust cover is ideal for both women and men, suitable for cycling, camping, running, travel, climbing and daily use. Protect you from fog, haze, vehicle exhaust, passive smoking, etc.tected from dust, small particles on air, pollen and much more.
  • DISPOSABLE FILTER - Non-woven fabric, skin-friendly and breathable filters.
  • INCLUDED : 3 fashion cloth mouth cover and 30 filter sheets..
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MikroTik CRS328-4C-20S-4S+RM

  • Cloud Smart Switch 326-24G-2S+RM is SwOS powered 24 port Gigabit Ethernet switch with two SFP+ port.
  • It gives you all the basic functionality for a managed switch, plus more.
  • Allows to manage port-to-port forwarding, apply MAC filter, configure VLANs, mirror traffic, apply bandwidth limitation and even adjust some MAC and IP header fields.
  • SFP cage supports both 1.25 Gb SFP and 10 Gb SFP+ modules.
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