Sound distortion distortion

R-19 Superior Sound Handsfree Is Easy To Handle With Its Highly Durable Long-Lasting Elastic Wire And Special Ergonomic Design. Simple Yet Elegant User-Friendly Design With Powerful Clear Less Distorted Sound Delivery Makes It The Best Choice For Audiophiles.Clear and less distorted sound: Ronin’s R-19 provides audiophiles the best experience high quality sound with minimum distortion and less noise Simple and decent: The new simple style and decent outlay makes R-19 best fit for simplicity and decency seekers.Ergonomic design: the special ergonomic design the most desirable feature of world’s best and durable hand free is there in Ronin’s R-19. You can use them for working out in the gym or even while riding without being disturbed.

PT2399 Microphone Karaoke board Reverberation Echo sound Double electric PT2399 reverberation board CMOS Technology Auto Reset Function Low Noise, No<-90dBV Typical Low Distortion, THD<0.5% Typical External Adjustable VCO High sensitivity Low power consumption Size 7.5*4*2.2cm

Connectivity Type: Wired Color: White And Black Compatible With: Mobile, Laptop And Tablet Is It With Microphone: With Microphone Call Control: Call Answer, Call End Length: 1meter Jack Size: 3.5mm Weight: 13.6 grm Deep Bass: Yes Type: In-ear Connector: 3.5mm audio jack In-line Remote: Yes Coil Material: Copper-clad aluminum Wire core: Enameled copper wire + Kevlar fiber Cable Length: 1.25 m Supported Weight: 10 kg.Impedance: 32Ω Rated Power: 3mW Sound Pressure Level: 106dB Total Harmonic Distortion: ＜1% (1KHz, 1mW) Frequency Rate: 20-20,000Hz

PT2399 Microphone karaoke board Reverberation Echo sound Double electric PT2399 reverberation board COMOS Technology Auto Reset Function LOW NOISE, NO LOW DISTORTION, THD EXTERNAL ADJUSTABLE VCO HIGH sensitivity Low power consumption

Bluetooth: Bluetooth 5.0 Use time: about 18 hours Battery capacity: 2000mAh Output power: 5W Signal to noise ratio: ≥85dB Distortion: <0.5% Impressive 360 ° Loud Sound：This portable Bluetooth speaker has impressive high volume, built-in 20mm 5W drivers produce crystal clear sound and enhanced bass without distortion even at the highest volume. Long Playtime, Fast Charging: Built-in 2000mAh high-performance lithium battery, enjoy 18 hours of music at 50% volume, if you play it 1-2 hours a day at medium volume, no need to charge on 2 weeks, up to two times longer than similar sized portable speakers. Recharges in just 4 hours with the included micro USB cable. LED Flash Light Show：Colorful LED flash light to adjust the mood. Rhythmic breathing light, combined with the rhythm of music, creates an atmosphere for life and makes youth full of vitality. Bluetooth 5.0 speaker: The Bluetooth Speaker promises to provide you with a smooth and consistent music experience, connecting via Bluetooth in seconds to iPhone, iPad, smartphones, tablets, Windows, and other Bluetooth devices. Mini size to take anywhere, a portable storage sleeve is provided. It is convenient to carry it for outdoor adventures such as camping, hiking or cycling.

Max sound output: 130±5dB Sound gain: ≥50dB Total harmonic wave distortion: ≤10% Frequency range: 300~4000Hz Input noise: ≤30dB Voltage: DC 1.5V Current: ≤4mAUsage Open the cartridge cover, put the battery in the correct position. Zine Air battery is the best choice and has a longer life. Before using, make sure that power is turned off, or make the volume to “l”. Put the ear hook on your ear, plug in the ear tightly. Note:The unit is on “off” position, and volume is on “l”, otherwise the instant sound will make you uncomfortable. Turn the power, and adjust the sound volume to get clear sound, If you hear the whistling sound, please check whether you have plugged in the earplug tightly. If it can’t be plugged tightly, please change the other size plug.

We provide lowest shipping cost and ship on the same day so you will get the product as soon as possible. The Wired Hearing Aid has a simple elegant ergonomic design that makes it comfortable for wearing around the ear With a shelf on the back of the hearing aids for hanging on your clothes and is high powered With unique design, you can put this small sized Wired Hearing Aid in your ear easily The Wired Hearing Aid provides more precision and accuracy in sound reproduction, which helps you hear better in a variety of listening situations The Wired Hearing Aid will enable you to understand speech clearly in restaurants and parties Exquisitely made, this hearing aid is sure to provide you a better listening when you are in church, movies or other public occasions This High Power Hearing Aid is the best gift for those who have hearing difficulty Max Sound Output: 129±4dB Max Sound Gain: 50dB±5db Harmonic Wave Distortion: ≤5% Frequency Range: 450-3500 hz Input Noise: ≤30 db Battery Type: AA Battery Max Working Hours with Standard Battery: 80 h Working Voltage: D.C. 1.5V Working Current: ≤4mA Special Function Key: N-H Key Color: Gray Size: 6.7 x 3.9 x 1.7cm(H x L x T)

Type: Audio-Video Type: Woofers SP-505 Double piano lacquer faceplate, with wireless microphone and function of karaoke. Size of appearance: 150(W)x660(H)X300(D) mm x 2 Sensitivity: 500mv SNR: >60db Frequency is responded: 50-20KHz Total in harmony wave distortion: 0.1% Sound of ways is separated degree: >40db Rated power: 35wx2 (8 ohm) Speakers: (8” +4” +2”) x 2 Voltage of the power: AC 220 50Hz ....... OUTSTANDING SOUND AND BASS.. PRICE IS LITTLE NEGOTIABLE.. want to sale urgent..

Color: Black Type: In-ear Connectors: 3.5mm audio jack Coil material: Copper - coated aluminum Cable core: Enamel copper wire + Kevlar fiber.Cable length: 1.25 c.e. Sound Impedance: 32 Data value: 3mw Sound pressure level: 106db Total harmonic distortion: Frequency level: 20-20,000hz

Bluetooth: Bluetooth 5.0 Material：ABS Playing Modes:Bluetooth /TF Card /FM/AUX Charging Time2H Use time: about 8H Battery capacity: 1400mAh Signal to noise ratio: ≥75dB Waterproof：IPX5 Impressive 360 ° Loud Sound：This portable Bluetooth speaker has impressive high volume, built-in 52mm 4W drivers produce crystal clear sound and enhanced bass without distortion even at the highest volume. High Performance Speaker: Built-in 1400mAh high-performance lithium battery, if you charge about 2 hours and you will enjoy 8 hours ultra long playtime,also it supports 4 playback ways: Bluetooth, TF Card, FM and AUX LED Night Light ：It has three level Bright LED blue light to adjust the mood. Rhythmic breathing light, combined with the rhythm of music, creates an atmosphere for life and makes youth full of vitality. Bluetooth 5.0 Technology: The Bluetooth Speaker promises to provide you with a smooth and consistent music experience, connecting via Bluetooth in seconds to iPhone, iPad, smartphones, tablets, Windows, and other Bluetooth devices. Mini size to take anywhere, a portable storage sleeve is provided. It is convenient to carry it for outdoor adventures such as camping, hiking or cycling.

[Electrostatic Technology] 6.8mm low-voltage electrostatic driver, brings better sound density, stronger Hi-Res and lower music distortion rate, which delivers louder and clearer sound performance. [3 Magnetic Dynamic] 10mm 3 magnetic dynamic driver effectively optimizes three bands of low, middle and high frequency, achieving balanced and perfect performance while listening music with it. [Comfortable Wear] Ergonomic design cavity provides a comfortable and stable wearing experience. in-Ear wear fits the ear canal and can effectively isolate external noise of about 26dB. [New Type Cable] Double-line silver-plated layer reduces loss during transmission and effectively prevents winding, durable and flexible. Standard 0.75mm gold-plated pins are compatible with various 2Pin standard upgrade cable, which can be upgraded to BT earbuds. [Exquisite Craftsmanship] Features quality zinc alloy housing and resin case, stylish and durable. Finish different complicated operations with one multifunctional microphone button (optional).

Professional, large-diaphragm condenser microphone for unsurpassed audio quality Ideal as main and support microphone for studio and live applications Cardioid pickup pattern for outstanding sound source separation and feedback rejection Pressure-gradient transducer with shock-mounted capsule Ultra-low noise, transformerless FET input eliminates lowfrequency distortion LED indicates phantom power operation

-Mini HIFI digital bluetooth audio power amplifier and Two main channel output. - Aluminum alloy body, durable, the body is made of aluminum alloy once  -Low distortion supplies a clearer, stronger and more powerful sound. -With Remote control function and Supports FM stereo radio. - The machine supports bluetooth operation, and supports line input.

Features 1. Bulit-in low-freq radiators, super dynamic low sound pressure gain, listening transparent and flexible 2. International advanced BT chip and circuit design techniques, support all BT device, play music after pairing with BT device, for example mobile / MID / TV,the working distance is more than 10M. 3. with Mic for hands-free phone call function. 4. Built-in MP3 / WMA decoding, can directy play TF Card, u Disk,mobile and other USB Storage devices stored MP3, WMA format music files. 5. Built-in the FM radio module, convenient to auto scan and save radio channels. 6. Support AUX IN audio input 7. Digital DisplaySPECIFICATIONS Power output: 5W x 2 Frequency Response: 70HZ-18K Distortion: <0.5% (1K / 1W / 3.7V) Noise Rate: >80db Power Input: 3.7V Transmission Distance: 15M Version: 5.0 + EDR Speaker Size: 31cm x 8cm x 5cm Battery capacity: 1200mAh Play time: up to 6 hour

Bluetooth version: 5.0 Bluetooth transmission distance: 10M Music playing time: Maximum sound 7h, medium volume 10 hours Microphone distance: 1m Bluetooth standby time: 72h Battery capacity: 150mA / h Battery power: 0.55w Horn impedance: 32 ohm Horn power: 0.02w Frequency range: 2.4-2.4835ghz Sensitivity: 45dB Transmitting power: 6dB Audio output distortion: 0.6% Audio output SNR: 93dB Charging time: 1-2 hours Maximum input voltage: DC 5V Maximum input current: 150mah Maximum input power: 0.55w