Best Passive House

uxcell 2Pcs 2 Inches 50mm Bass Speaker Passive Radiator Auxiliary Rubber Vibration Plate Subwoofer DIY Repair

  • A passive radiator system uses the sound otherwise trapped in the enclosure to excite a resonance that makes it easier for the speaker system to....
  • Bass radiator, also known as a "drone cone", for replacing the inverted tube or subwoofer with the radiator and the traditional back subwoofer..
  • Air turbulence noise is no longer an issue, when air rapidly escapes the pipe at high volumes.No more high frequencies reflected out the port..
  • Passive radiators operate in conjunction with the active driver at low frequencies, sharing the acoustic load and reduce the excursion of the driver..
  • Working similarly to a vent, the passive radiator will only add as much as they subtract..
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Outdoor Bluetooth Speaker, Gifts for Men Women Dad Mom, ANERIMST Waterproof Wireless Torch LED Light, Flame Speaker for Camping Accessories Home Gadgets, Loud Sound, 24H Playtime, Black, 1 Pack

  • ...sy battery charge by USB cable with 4-5 hour full charge. IP65 waterproof protection safeguards against rain, dust, snow, and spills, therefore is applicable in the bathroom, by the pool, or beach party. Wireless range up to 33 feet..
  • Loud Volume and Dual Pairing Function: Equipped with high-performance driver and a passive subwoofer, our small waterproof speaker can bring crystal clear sound with rich bass, compatible with any devices via Bluetooth such as iPhone, Samsung, iPad, TV and laptop. Pairing 2 speakers together, you'll enjoy superior loud stereo sound..
  • Multi Function Wireless Accessories: Included with light stakes/poles/hanging hook/wall mount, you can take it as a desktop speaker, stick in-ground as outdoor torches or the option as a ambience lamp to hang in the house, hang out a tree branch. Cool electronic gadgets for new home, kitchen, room, as well as outside travel, camping, bbq, patio, garden, backyard, pool, rv, beach..
  • Unique Gifts for Men Women Who have everything: Useful tech gadget for men, Birthdays Top Best gifts ideas for men women couples him her dad mom wife husband unisex grandma best friend young adults home owners boyfriend kids son daughter. Personalized present for House Warming, Grilling, Birthday, Holiday, Anniversar....
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RIDGID 21893 SeekTech SR-20 Locator, Line Tracer and Underground Utility Locator, Yellow, Small

  • Passive Radio Trace:4 kHz-15 kHz, 15 kHz-36 kHz.
  • Large LCD screen graphically displays representation displaying proximity signal, signal strength, target line and guidance arrows to quickly identify distortion and help map difficult locates.
  • Omni-Seek technology increases accuracy and efficiency when searching in passive mode- continuously searches passive power and radio bands to locate and avoid unknown metallic lines.
  • Trace any pipe locator frequency from 10 Hz to 35,000 kHz* while utilizing plumbing camera snakes, sonde (beacons), and wire transmitters for better underground utility location and pipe line tracing.
  • 3 antennas offset 120 degrees from each other in each housing and 2 gradient antennas (8 total antennas) make it easier to pick up the signal regardless of orientation and angle.
  • Continual Depth feature increases productivity by showing depth changes of signal from underground pipe in real-time.
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Acoustic Audio AA321B Mountable Indoor Speakers 800 Watts Black 2 Pair Pack AA321B-2Pr

  • MOUNTABLE INDOOR WIRED SPEAKERS - Traditional passive speaker design, simply drive power from your amplifier or receiver.
  • HIGH QUALITY - Full Range sound coverage with 2.5" Polypropylene woofers, frequency response is 150Hz-20 kHz with 88dB at 8ohm.
  • DURABLE AND MOUNTABLE - Black ABS sealed cabinets with spring loaded raw wire connectors and mounting brackets. Big sound from a compact speaker size of (H x W X D) 3.5" x 3.5" x 4.5" each.
  • SYSTEM REQUIREMENTS - Any amp or receiver with raw speaker wire outputs, power from your amp should be no less than 20 and no more than 200 watts per channel, CL3 or raw speaker wire to connect your amp to the speakers.
  • WHAT'S IN THE BOX - 4 Acoustic Audio by Goldwood AA321B speakers, mounting brackets with hardware, instruction manual. Use for home theater surround sound, whole house audio systems, business or retail installations, patios, decks, pool and spa settings.
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Acoustic Audio 251B Indoor Outdoor 3 Way Speakers 400 Watt Black Pair

  • OUTDOOR MOUNTABLE WIRED SPEAKERS - Traditional passive speaker design, simply drive power from your amplifier or receiver. Full Range sound coverage with 3-way tweeter, midrange and woofer configuration.
  • WEATHERPROOF AND DURABLE - Black ABS sealed cabinets with spring loaded raw wire connectors and mounting brackets are weatherproof against rain, snow, sun, ice and more. Big sound from a compact speaker size of (H x W X D) 7.375" x 4.625" x 4.125" each.
  • HIGH QUALITY - 4" Silver CD woofers with butyl rubber surrounds, 2"mylar dome midranges, .5" mylar dome tweeters, frequency response of 37Hz-20 kHz with 99dB at 8ohm.
  • SYSTEM REQUIREMENTS - Any amp or receiver with raw speaker wire outputs, power from your amp should be no less than 20 and no more than 300 watts per channel, CL3 or raw speaker wire to connect your amp to the speakers.
  • WHAT'S IN THE BOX - 2 Acoustic Audio by Goldwood 251B speakers, mounting brackets with hardware, instruction manual. Use for home theater surround sound, whole house audio systems, business or retail installations, patios, decks, pool and spa settings.
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Skullcandy Barricade XL Bluetooth Wireless Portable Speaker, Waterproof and Buoyant, Impact Resistant, 10-Hour Battery Life and 33 Foot Wireless Range, Black

  • WIRELESS LISTENING: Thirty-three feet of Bluetooth wireless connectivity range and an ten-hour battery let you enjoy your music anywhere..
  • WATERPROOF AND IMPACT RESISTANT: Take it three feet under water and watch it float to the top thanks to an IPX7 waterproof and buoyant design. Structurally designed to take a beating outdoors while still looking right at home in the house..
  • IMPRESSIVE SOUND: With emphasis on the low end, a passive radiator helps create impressively powerful and dynamic sound across all types of music..
  • PACKED WITH TECH: You can connect multiple users wirelessly, connect multiple speakers wired or wireless and charge your external devices..
  • INTEGRATED CONTROL: Take calls, manage your music and adjust volume even when not near your phone using the integrated remote buttons and microphone..
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House of Marley Get Together Mini: Portable Speaker with Wireless Bluetooth Connectivity, 10 Hours of Indoor/Outdoor Playtime, and Sustainable Materials, Signature Black

  • SUPERIOR SOUND: Dive into perfect sound and exceptional audio clarity wherever you go with our portable Get Together Mini speaker. Featuring 2.5” Woofers, 1” Tweeters, and a passive radiator, experience vibrant and crisp details from your favorite songs..
  • RECHARGEABLE & COMPATIBLE: Enjoy a continuous 10 hours of playtime from the powerful and rechargeable battery for all-day listening. The advanced Bluetooth technology allows your device to be up to 45 feet away from the speaker while still maintaining connection. Compatible with IOS and Android, you’ll experience that classic Marley sound no matter how you connect..
  • CONVENIENT FEATURES: Get Together Mini offers a built-in microphone so you can use it as a speaker phone to take or make calls, making it great for your home office. Additionally, an auxiliary input jack allows you to connect it to record players, TVs and other audio devices. This speaker also features a USB port that allows you to charge your phone or other USB devices at home or on the road..
  • SUSTAINABLE MATERIALS: Embrace your natural style with Marley’s message of craftsmanship and sustainability. Our wireless speakers are designed with solid bamboo, our eco-friendly REWIND fabric, and delivered in 100% recyclable packaging....
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Donner Acoustic Guitar Pickup, DSS-12 Sound Seeker Guitar Pickups Humbucker Magnetic Passive Soundhole Pickup for Acoustic Guitar

  • Passive, don’t need batteries, don't pick up the signal processing, provide the original signal to players like passive sound pickup..
  • Adjustable:12 adjustable head (high and low adjustable).By adjusting, you can get the tone you want. Soundhole diameter range: min.=3.8”/96.6mm.
  • max.=3.94”/102mm. Please work with AMP to receive sound.
  • Provide volume control, tone control, Easy installation with no alteration..
  • Sound Seeker12 is a passive pickup system, which adopts double coil technology to ensure the sweet and clear sound. Suitable for 6-string acoustic guitar and 12-string acoustic guitar. Note: Does not work with 3/4 size acoustic guitars like Taylor baby series, little martin series.
  • Humbucking model features stacked coils to eliminate noise.Excellent string-to-string balance and acoustic clarity..
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Dakota Alert MURS Alert Transmitter (MAT) - Battery Operated Passive Infrared Motion Sensor - Multi Use Radio Service With Telescopic Antenna

  • Monitors your home/office - The Dakota Alert MURS Alert Transmitter (MAT) contains a passive infrared (PIR) sensor circuit board that detects moving vehicles, animals, or people.
  • Quickly notifies you - When the PIR sensor detects a person, the transmitter circuit board automatically sends a pre-programmed message to a MURS M538-BS Base Station or M538-HT Radio Transceiver.
  • Readily expandable - You can add more MATs to your monitor system - put 1 in the driveway, 2~4 inside and outside of the house.
  • Provides long detection range - This PIR sensor can detect moving objects from 30-ft to 80-ft (depending on the terrain) in front of the transmitter box.
  • Offers a flexible mounting option - You can mount the MAT on a tree or post to monitor activities at remote locations. This is helpful when you want to be alerted if there are unexpected people on site.
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Kanto YU Passive 4 Passive Bookshelf Speakers with 1 Silk Dome Tweeter | External Amplifier Required | Pair | Matte White

  • AMPLIFIER OR RECEIVER REQUIRED - Must be paired with an amplifier capable of supplying 70 W per channel into 4 ohms, YU Passive 4” will fill your home with realistic, uncolored sound – exactly the way the artist intended..
  • RICH BASS - High-strength Kevlar woofers and a tuned bass port produce tight bass with low distortion letting you feel every beat and be moved by the music..
  • SMOOTH TREBLE - Smooth sounding silk dome tweeters produce natural treble response allowing you to listen to YU passive all day with no fatigue..
  • SLEEK DESIGN - YU Passive’s sleek, minimal design works well with many decors and its black and white vinyl finishes give you the option to match any aesthetic..
  • SOLID CONSTRUCTION - Solid MDF cabinets reduce unwanted vibrations, and bolted to a compatible Kanto speaker stand, resonances can be further eliminated through coupling..
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