ReviewsAudio Engineering Principles

Fityle 3 Sizes Plastic Drawing Tube Blueprint Carrier Case Telescoping Document Storage Expandable Carrying Tube Artists Supplies, Portable - 100 x 650mm

  • Round cover design, upper opening design, more convenient to use, eliminating the trouble of rotating.
  • The length is adjustable, easy to open and close, suitable for collecting works of different sizes..
  • Can be used to store and travel posters, maps, documents, large photo prints, drawings, artworks, arrows, fishing rods, etc..
  • Made of moderate plastic, waterproof and moisture-proof, it will not be too hard to produce uncomfortable feeling, and it is not fragile..
  • Using engineering principles, the round tube prevents nibbling, which greatly protects the drawing paper and makes placement more secure..
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Educational Insights Design & Drill Robot Take Apart Toy, 23-Pieces, Preschool STEM Toy, Gift for Kids Ages 3+

  • SPARK MORE PLAY! Construction play meets creativity for hours of unplugged building and pretend play fun.
  • LET’S BUILD! Kids build self-confidence as they construct and decorate this snap-and-screw robot all by themselves using a real-working, kid-friendly screwdriver.
  • INTRODUCE STEM LEARNING: The Design & Drill Robot supports STEM learning, introducing the principles of basic engineering through construction play.
  • BUILD FINE MOTOR SKILLS: Busy builders develop hand-eye coordination, fine motor skills, hand strength, and more as they manipulate kid-sized tools designed just for little hands.
  • PERFECT GIFT FOR PRESCHOOLERS: Design & Drill STEM toys are the perfect gifts for toddlers & preschoolers ages 3+.
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Meccano Erector Motorized Off Road Racer 25 Vehicle Model Building Set 406 Pieces for Ages 9 and up STEM Construction Education Toy

  • Curious young minds demand to be challenged. Give the budding engineer in your life an exciting building project with Meccano’s Excavator! Complete....
  • Novice builders get an authentic construction experience! Using real tools (included), builders follow easy-to-understand instructions as they....
  • Building this S.T.E.M. kit is fun and educational! Young minds see how principles from the fields of science, technology, engineering and math are....
  • The Meccano Off-Road Racer is recommended for kids aged 9+. 2 real tools included. Intermediate complexity level. Build time of 1-3 hours. 3 x AA....
  • Includes: 406 Parts, 4.5V Electrical Motor, 2 Real Tools, 1 Instruction Sheet for 3 Models.
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10 Foot - Canare 4S11 – Audiophile Grade - HiFi Star-Quad Bi-Wire Speaker Cable Pair with Eminence Gold Banana & Spade Connectors [Banana x2 – Spade x4]

  • Conductor: Twisted Solid Flat OFC (17AWG/1.0mm2), Connector: VB401 Pure Copper Banana Plug. Insulation: PVC. Copper: 4.0W*0.25T Foil Twist.
  • Makes your speakers not just sound better but more details and dynamics..
  • Excellent build quality. Beautiful looking and sounding..
  • Features: Wear-resistant, soft and strong wire body, using oxygen-free copper core, low resistance conductivity, stable transmission, high insulation, resist electromagnetic wave interference, higher protection, strong anti-interference, signal decay reduction, full sound quality..
  • Application: Widely used in loudspeaker, speaker connection cable transmit audio signal, home decoration, conference room, public places audio engineering, home theater, audio and video equipment connection, engineering installation, etc..
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Audio Technica ATH-M40x Professional Studio Monitor Dynamic Headphones Bundle with Blucoil 6-FT Headphone Extension Cable 3.5mm and Slappa Full-Sized HardBody Pro Headphone Case

  • ISOLATES BACKGROUND NOISE - The Audio Technica ATH-M40x effectively blocks ambient sounds thanks to its circumaural design that contours perfectly....
  • OFFERS ACCURATE SOUNDS - Across the entire 15Hz~24kHz frequency range, the ATH-M40x delivers precise audio reproduction..
  • PROVIDES LONG-LASTING DURABILITY - The ATH-M40x is made with robust materials and cutting-edge engineering. Its professional-grade earpads and....
  • EASY TO STORE AND TRANSPORT - You can easily detach the headphone cables and completely fold the earcups for easier storage..
  • INCLUDES - Audio Technica ATH-M40x Professional Studio Monitor Dynamic Headphone with Cutting Edge Engineering, 90 Degree Swiveling Earcups, Pro-grade....
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MOTU M2 2x2 USB-C Audio Interface

  • ...t loopback channels to your host computer, so you can easily route computer output back to the computer, where you can mix it with live mics and/or guitar inputs from the M2 in your host software for live streaming or podcasting. Streaming and podcasting has never been easier and better-sounding.
  • A Tradition of Engineering Excellence: Decades of award-winning product engineering for hit songs, mega tours, primetime shows and blockbuster movies goes into every MOTU audio interface.
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Pair Viborg VS903 Solid Flat OFC Speaker Cable, 17AWG(1.0 mm2) Premium HiFi Dynamic Speaker Wire(Twisted Core) with Pure Copper Plug VB401 for Home Theater (6.6FT/2M)

  • Conductor: Twisted Solid Flat OFC (17AWG/1.0mm2), Connector: VB401 Pure Copper Banana Plug. Insulation: PVC. Copper: 4.0W*0.25T Foil Twist.
  • Makes your speakers not just sound better but more details and dynamics..
  • Excellent build quality. Beautiful looking and sounding..
  • Features: Wear-resistant, soft and strong wire body, using oxygen-free copper core, low resistance conductivity, stable transmission, high insulation, resist electromagnetic wave interference, higher protection, strong anti-interference, signal decay reduction, full sound quality..
  • Application: Widely used in loudspeaker, speaker connection cable transmit audio signal, home decoration, conference room, public places audio engineering, home theater, audio and video equipment connection, engineering installation, etc..
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CGOLDENWALL Visible Spectrophotometer 721G Lab Equipment Wavelength Range:340-1000nm Spectral Bandwidth: 5nm

  • This Visible Spectrophotometer adopts a microprogramming technology. It can be used in a material determination, a quantitative analysis in a visible spectrum field. This equipment is a multipurpose analyzer which is necessary for all general labs. It applies to the medical health, clinical examination, biochemistry, petrochemical engineering, environmental protection, quality control’s department and teaching lab of universities and colleges etc..
  • Fundamental principles: The spectrophotometer analytical method is based on the different materials’ molecular structure’s selective absorption of electromagnetic radiation..
  • The available electromagnetic radiation’s spectral region is normally between 330nm-800nm..
  • Main Technical standard: Wavelength Range: 340nm~1000nm.
  • Stray light: ≤0.5%(T)(at 360nm ,with NaNO2).
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MOTU M4 4x4 USB-C Audio Interface

  • ...t loopback channels to your host computer, so you can easily route computer output back to the computer, where you can mix it with live mics and/or guitar inputs from the M4 in your host software for live streaming or podcasting. Streaming and podcasting has never been easier and better-sounding.
  • A Tradition of Engineering Excellence: Decades of award-winning product engineering for hit songs, mega tours, primetime shows and blockbuster movies goes into every MOTU audio interface.
  • Workstation Software, Virtual Instruments and Loops: Connect the M2 to your Mac or PC and start laying down tracks with the included Performer Lite or Live Lite production software, plus hundreds of loops, one-shots and sounds from industry leaders Big Fish Audio, Lucidsamples and Loopmasters.
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Headphone Splitter 3.5 Audio Stereo Cable Dual Male Y Splitter Adapter Extension Aux Cable Headphones Splitter Headset Tablet Splitter Compatible with PC Laptop Phone Speaker（3.93ft-F-2M,Black）

  • 【Gold-Plated Interface】 - Gold-plated with antioxidant effect of RCA audio cable,corrosion resistance,excellent conductivity to make the signal transmission more stable,long unplugging life.
  • 【Selected High-Quality Wire Core】 - This RCA cable Using oxygen-free copper conductor,low transmission loss,multi-layer shielding network effective anti-interference,high-fidelity transmission of pure signal source,strong bass,natural and bright,quite listening durable.
  • 【Multi-Layer Shielding Protection】 - Using high-fidelity shielding design,shielding anti-interference,band amplitude,presenting high-fidelity music effect,so you can feel better sound quality with 3.5mm audio cable,experience a better life.
  • 【AV Engineering Type Protection】 -With wear-resistant compilation of carbon fiber protection,compression,wear-resistant and pull-resistant,whether outdoor performance,engineering pre-buried,home audio & Hi-Fi are capable of.
  • 【Selected Materials & Craftsmanship】 - Through 20 years of continuous exploration of the process to provide high-quality audio transmission signal,high-fidelity restoration of the musician's emotions by the aux stereo cable.
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Permacharts Traditional Chinese Medicine Guide - Quick Reference Guide

  • 4-page 8.5" x 11" laminated Traditional Chinese Medicine (TCM) Quick reference guide.
  • This Guide provides a systematic overview of the key basic principles of Traditional Chinese Medicine (TCM) and its related disciplines, including Qi.
  • TCM diagnosis and treatment. Herbal medicine principles are also clearly explained.
  • The basic principles of Traditional Chinese Medicine. Ying and yang. Pathogens. Diagnosis and treatments. The principles of herbal medicine. Anatomical diagrams..
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