Best Selected Frequency Components

Liyafy 1Hz-50MHz Crystal Oscillator Tester Frequency Counter Tester Measuring Meter Case Durable DIY Led Kit

High abrasion resistance, sturdy and durable, Transparent casing effectively protect the Frequency Counters body..
Programmable addition and subtraction frequency setting for the measurement of radio transceiver and other equipment..
Automatic range conversion, without human switch.
Can measure most commonly used crystal of oscillation frequency..
The power saving mode can be selected. If the frequency is not changed automatically in 15 seconds, the display will be closed automatically..
The power supply range is wide, which can be powered by USB interface of general motors, or 5-12v or 9V battery for external power supply..

[3 playback modes] Compact, intuitive looper with 3 playback modes :1/2 Speed – 1/2 Speed playback, Normal – Normal playback, Reverse – Reversed....
[24-bit Recording and Playback] The Beltway looper offers you 24-bit high quality recording/playback and 32- bit signal processing that give you a....
[Type-C USB] Use a USB cable to connect Beltway looper to your computer to import/export loop phrases. Enter firmware upgrade mode, upgrade the....
[Undo/Redo and Overdubs] The Beltway looper supports unlimited overdubs. You can undo/redo your last recording by holding the footswitch after....
[Carefully Selected Components] Beltway looper is designed and built with carefully selected components to ensure the best sound quality and road....

General Size: Near-field System type: Active Configuration: 2-way Drivers Low-frequency driver: 8" Mid-frequency driver: Not applicable High-frequency driver: 1" Full-range driver: Not applicable Driver type: Polyglass Sound Frequency response: 35Hz - 22kHz Max peak SPL: 109 dB Amplifier class: AB Output power: 140W Onboard Features Input connectors: XLR, RCA Standby mode: Yes A.
The Focal Alpha 80 is a versatile studio monitor with quality components and design.
It serves beautifully in a variety of capacities, performing just as well with instrumental music as with electronic music.
This model comprises an 8" (21cm) woofer/ midrange speaker with a Polyglass cone loaded in a large laminar port associated witha 100W amplifier and a 1" (25mm) aluminum inverted dome tweeter (40W amplifier).
Alpha 80 has a frequency response of 35Hz to 22kHz (+/- 3dB).

High-fidelity Sound System – This DIY speakers kit with many components that are much more expensive high-end systems. Perfect as rear/side surround home theater speakers for a 5.1, 7.1 or 11.1 setup..
3 Way Bookshelf Speakers - Adopts three-way fourth-order speaker system reverse-phase design, with a luxurious and elegant appearance, high-end components included easy to set up and more stable excellent performance..
Low Frequency - 6.5-inch large-diameter mid-bass unit L6-4R. Its diaphragm is made of all-black Kevlar fibre, an ultra-light and high-strength integrated composite material, a fatigue-resistant long-stroke rubber diaphragm folding ring, a highly compliant centering support piece, a unique magnetic circuit system with phase plug design, and a large magnetic steel drive unit..
The mid-range unit uses a professional DN Series soft dome mid-range unit, with a high-quality diaphragm coated on the outside with a special damping material, and an independent dome mid-range unit to avoid the mid-range defect caused by the connection of the two frequency bands. The sound is sweet, natural and smooth..

L-C-R soundbar, Slim design, Binding Posts: Push style.
High Frequency Driver: Three 1" x 1.4" Folded Motion Transducers with 5.25" x 1.75" diaphragm.
Low Frequency Drivers: Six 4" paper cone, sealed cabinet.
Components: Custom air core coil inductors, polyester film capacitors in series and low DF electrolytic capacitors in parallel, overall system thermal/current protection.
Frequency Response: 120–23,000 Hz ± 3 dB.
Dispersion: 80° x 80°, Sensitivity: 93 dB @ 2.83 volts/ meter.
Impedance: 4 Ohms. Compatible with 4, 6 or 8 Ohm rated amplifiers..
Crossover Frequency: 3,000 Hz (2-way design), Recommended Amplifier Power: 20–140 watts.
Dimensions with wall bracket (HxWxD): 6.3" x 48" x 2".

MoCA 2.5 offers actual data rates up to 2.5 Gbit/s, continues to be backward interoperable with MoCA 2.0 and MoCA 1.1, and adds MoCA protected setup (MPS), Management Proxy, Enhanced Privacy, Network wide Beacon Power, Bridge detection and TR-069 remote management..
Flexible frequency selection: It works at high frequency range. Frequency range is between 1125~1675 MHZ. Channels can be flexibly selected based on network condition..
Strong interference-proof capability: Physical layer adopts advanced ACMT mode that isOFDMA, which makes it to get strong interference-proof capability by avoiding high noise at lower frequency..
Advanced data link layer agreement: Link layer adopts TDMA protocol, MP2MP structure. Each device can communicate with any other one. All the adapters adopt the same TDD..
Absolute bandwidth supply: MOCA 2.5 adapter supports up to 3.0 Gbps throughput with low packet loss rate and low latency..

Professional Acoustic Design. Pick up one of high-pitched pronunciation driver+1 low frequency driver open-train double dynamic structure.Professional Acoustic Design. Pick up one of high-pitched pronunciation driver+1 low frequency driver open-train double dynamic structure..
Amazing Sound Quality. 99% of the current headsets can not meet the standard of 20-45 KHZ frequency width. It’s totally beyond your imagination. Independent bass frequency dynamic driver enhances general music administrative levels and lets every beat feel a strong bass..
Ergonomic and chic design. Transparent cavity is made of PC resin materials. Internal components can be clearly seen..

This is a frequency meter based on PIC microcontroller, with crystal vibration measurement function and programmable frequency settings..
With five-digit digital tube display, the measurement data display is intuitive and convenient..
All of them use direct-plug components. The circuit is simple, easy to make, easy to install and debug..
The measuring frequency range of this DIY frequency meter is 1Hz-50MHz, which can measure the oscillation frequency of most commonly used crystal oscillators..
Five-bit resolution (e.g. 0.0050kHz, 4.5765MHz, 11.059MHz) supports automatic range conversion..

Specially designed acoustic silk ensures precision damping over the entire frequency range and helps to reduce THD to an incredible 0.05 percent.
Improved frequency response is 10 39,500 Hertz ( 10 dB).
Highly optimized magnet systems for minimum harmonic and inter modulation distortion.
High power neodymium magnets deliver maximum efficiency.
3.5 millimetre jack plug. Frequency response (Headphones):10 41000 Hz.
Lightweight aluminum voice coils for very fast transient response.