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Decibel Meter, TopTes TS-501B Sound Level Meter with 2.25 Backlit LCD Screen, Portable SPL Meter with A/C Weighted, Range 30-130dB, MAX/MIN, Data Hold, Use for Home, Noisy Neighbor, Factory - Orange
Decibel Meter with AC Weighting TopTes TS-501B decibel meter uses a precise condenser microphone to capture sound. Its equipped with A-weighting and C-weighting facilities that measure noise levels from 30 to 130 dB with an accuracy of 1.5 dB, Frequency from 30 to 8,000Hz. Perfect for monitoring noise levels in communities, home theaters, audio systems, automobiles, workshops, schools, offices, factories. 2.25-inch LCD Screen with Backlight This TS-501B sound level meter is measured noise levels are expressed in decibels dB and displayed on the 2.25-inch LCD screen, it easy to read on a big display design. Long press the backlight button to turn on a backlight, making it easy to view even in damn light. MAXMIN Measurement, Date Hold The sound pressure level SPL meter has Max or Min measurement values to represent the maximumminimum highlow peak value of the sound produced within a certain time, and the data hold function can freeze the current reading based on the sound measurement according to individual needs. Easy Use and Feature Packed The non-slip side design ensures that the portable noise meter fits easily in the hand. TS-501B SPL meter is a battery-operated noise meter that comes with three durable batteries and has an automatic power-off function to extend battery life. A low battery indicator will appear on the screen when the battery is low to remind the user to replace the battery in time. Whats in the Box1x TS-501B Decibel Meter, 3x AAA Batteries, 1x User Manual, 1x Carry Case. TopTes sound level meter with a 3-year Warranty and lifetime technical support. Please feel free to contact us if you have any questions or concerns.
Op-Amp Best Projects : Overcurrent Protection, Driven VU Meter, IR based Wireless Audio, Sound Voice-over and Programmed Light Fence etc...,
Kindle - With a Built-in Front Light - Black
Purpose-built for reading with a 167 ppi glare-free display that reads like real paper, even in direct sunlight.. Adjustable brightness lets you read comfortablyindoors and outdoors, day and night.. A single battery charge lasts weeks, not hours.. 8 GB of storage means thousands of titles on hand all in a compact size.. Read distraction-free. Highlight passages, look up definitions, translate words, and adjust text sizewithout ever leaving the page.. With Kindle Unlimited, get unlimited access to over 2 million titles, thousands of audiobooks, and more.. Enjoy audiobooks with Audible. Pair with Bluetooth headphones or speakers to switch seamlessly between reading and listening..
Effortless Reading: The Simple Way to Read and Guarantee Remarkable Results
Kindle Oasis Now with adjustable warm light
Our best 7, 300 ppi flush-front Paperwhite display.. Adjustable warm light to shift screen shade from white to amber.. Waterproof IPX8 so you can read in the bath or by the pool. Your Kindle has been tested to withstand accidental immersion in water.. Thin and light ergonomic design with page turn buttons.. Reads like real paper with the latest e-ink technology for fast page turns.. Instant access to millions of books, newspapers, and audiobooks.. Works with Audible - pair with Bluetooth headphones or speakers to switch seamlessly between reading and listening..
Audio Metering: Measurements, Standards and Practice (Audio Engineering Society Presents)
Kobo Libra 2 | eReader | 7 Glare Free Touchscreen | Waterproof | Adjustable Brightness and Color Temperature | Blue Light Reduction | eBooks | WiFi | 32GB of Storage | Carta E Ink Technology | Black
- Kobo Libra 2's improved 7 HD E Ink Carta 1200 touchscreen delivers a faster display, quicker page turns, and deeper contrast. Always glare-freeunlike your smartphone or tablet. ComfortLight PRO's adjustable brightness and blue light reduction technology limits eyestrain and lets you read well into the night, without affecting your sleep. Dark Mode offers the option of white text on a black background. - Kobo Libra 2's ergonomic design feels good in your hands. Keep the story moving by swiping the touchscreen, or use the page-turn buttons when one of those hands is full. You also have the option to read in landscape mode. Whether it's post-workout, on the bus, or nursing your little one back to sleep, Kobo Libra 2 is made to fit your busy life. - Kobo Libra 2 supports Kobo Audiobooks with Bluetooth wireless technology. Think of it as a hands-free reading option, for those super busy days. Audiobooks available only in select countries. Bluetooth wireless headphones or speaker required. - You can take your story to the park, the beach, the tub, or even out in the rain. Life happens, rain or shine, now your reading life can, too. Meets requirements of IPX8 rating. Waterproof for up to 60 minutes in up to 2 metres of water. - , - Kobo Libra 2 comes with 32GB of storage, enough to hold your entire library. Take up to 24,000 eBooks, 150 Kobo Audiobooks, or a combination of both with you, everywhere you go. Whatever your latest read or listen, it's always on hand.
Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver Mini Hi-Fi Class D Integrated Amp 2.0 CH for Home Speakers 100W x 2 with Bass and Treble Control TPA3116 (with Power Supply)
Simple compact design but practical and powerful, little Hi-Fi Bluetooth wireless amplifier exclusively designed for the customers who pursue HiFi sound.. Bluetooth 5.0 core, up to 50ft connection range guarantees low signal delay. No pop, no audible noise when Bluetooth connection is established.. 100W RMS X 24 ohms, 20 Hz - 20 kHz, 0.04 THD, comes with a 24V power supply, can drive 280watts8 ohms, 320watts4 ohms speakers, for passive speakers only, not the powered speakers.. Advanced circuitry design, built-in speakers protection circuit, best for bookshelfcomputerdesktopspeakers in your home.. What You Get BT20A home integrated digital amplifier x1, 24V4.5A power supply x1, user manual x1, our worry-free 18-month warranty, and friendly customer service..
Promised Land: Thirteen Books That Changed America
Gskyer Telescope, 70mm Aperture 400mm AZ Mount Astronomical Refracting Telescope for Kids Beginners - Travel Telescope with Carry Bag, Phone Adapter and Wireless Remote
Quality Optics 400mmf5.7 focal length and 70mm aperture, fully coated optics glass lens with high transmission coatings creates stunning images and protect your eyes. Perfect telescope for astronomers to explore stars and moon.. Magnification Come with two replaceable eyepieces and one 3x Barlow lens.3x Barlow lens trebles the magnifying power of each eyepiece. 5x24 finder scope with mounting bracket and cross-hair lines inside make locating objects easily.. Wireless Remote Free includes one smart phone adapter and one Wireless camera remote to explore the nature of the world easily through the screen and take amazing celestial images.. Adjustable Tripod This telescope allows for many different viewing positions with a adjustable aluminum alloy tripod and a carry bag, the telescope and tripod can fit inside the bag for easy traveling and storage.. Satisfaction TWO-YEAR warranty. And technical support from our team of experts in 24 hours..
VU Meter 2x Panel VU Meter Warm Back Light Recording & Audio Level Amp with Driver Board
LGNDR This driver board with low level signal input terminals for connections are CD players, computer sound cards, the first stage, and other audio signal source device, wiring L, GND, RW respectively Left, the right channel. Power ConsumptionInput AC DC 12V-15V power supply for the drive plate. Recommended independent power transformer, or a separate power supply for the winding. the backlight current is 45 mA when drive plate off work. 2 ResistorR1 and R2 are two adjustable resistors of driver board,which can control the size of the hands swing.. Rectifier RegulatorThe backlight DC12V power meter is used for rectifier regulator of the backlight driver board Please notice that the positive and negative head interface.. Package Content2 x VU Panel Meter1 x Driver Module1 x Cablebr.