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<title><![CDATA[EC21 Product Catalogs - audio frequency]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/audio_frequency--0821/1/audio frequency.html]]></link><item>
<title><![CDATA[Digital Wireless Audio Transceiver (UD-110)]]></title><link><![CDATA[https://eseyoung.en.ec21.com/Digital_Wireless_Audio_Transceiver_UD--5597133_6657211.html]]></link><description><![CDATA[audio devices such as TV, PC, MP3, etc.
4 Channel operation supported
Mode selection button and Channel selection button
Specifications
Frequency
2.402~2.483[GHz]
Service Coverage
Indoors : ~30[m](L.]]></description><pubDate><![CDATA[20220331]]></pubDate></item>
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<title><![CDATA[Smart Audio Eyeware]]></title><link><![CDATA[https://cont.en.ec21.com/Smart_Audio_Eyeware--12003634_12004256.html]]></link><description><![CDATA[Audio Decoding: Support
Frequency Range: 20Hz~20KHz
Sensitivity: 114+/-3dB
Bluetooth Version:5.0
Wireless control distance: 10 meters
Battery Type: Lithium
Battery capacity: 60+60 mAh
Charging voltag]]></description><pubDate><![CDATA[20240922]]></pubDate></item>
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<title><![CDATA[Luminous Bluetooth Headset Over-the-head Gradient Color Cat Ear High-value Gaming Headset]]></title><link><![CDATA[https://zmy20240512.en.ec21.com/Luminous_Bluetooth_Headset_Over_the--11935481_11935783.html]]></link><description><![CDATA[frequency training, restore the music high frequency bright, the middle frequency is full and the low frequency is rich and elastic, immersive sound, shock and enjoyment.
Up to 10 hours of battery li]]></description><pubDate><![CDATA[20240520]]></pubDate></item>
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<title><![CDATA[Bluetooth Earphones, Smallest Mini Invisible V4.1 Wireless Bluetooth Headset Headphone Earphone Wit]]></title><link><![CDATA[https://raymond1991.en.ec21.com/Bluetooth_Earphones_Smallest_Mini_Invisible--10598851_10598981.html]]></link><description><![CDATA[Frequency Range： 2.401GHZ～2.482GHZ 
Operation： Class 2 
Mode： headset/handfree/A2DP/AVRCP 
Operating range： 5~10 metres 
Playing Time： 3 hours 
Standby Time： 80 hours 
Charging Time ：]]></description><pubDate><![CDATA[20171130]]></pubDate></item>
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<title><![CDATA[Wesun Wireless TV Computer Headset for TV/MP3/DVD/PC MH2001 with Microphone&amp;FM Radio Headphone]]></title><link><![CDATA[https://axiziluo.en.ec21.com/Wesun_Wireless_TV_Computer_Headset--10883493_11478500.html]]></link><description><![CDATA[frequency: 84 -108MHz
Max receiving range: 30m
FM radio frequency: 88-108MHz
The MH2001 is a 5-in-1 Hi-Fi S-XBS wireless headphone, which can let you listen to audio or music from all sorts of device]]></description><pubDate><![CDATA[20211201]]></pubDate></item>
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<title><![CDATA[TWS, (Change Face) Bluetooth Earbuds, CE ROHS Bluetooth Headset,Headphone]]></title><link><![CDATA[https://vals2019.en.ec21.com/TWS_Change_Face_Bluetooth_Earbuds--11232412_11231336.html]]></link><description><![CDATA[Audio Codec
SBC,AAC
Hi-Res Audio Quality
Support 24bit/192kHz
Speaker
φ8mm*4mm
Impedances
32Ω ±15%/1KHz
Rated Power
2~3mW
Maximum Power
5~10mW
Sensitivity(S.P.L)
92±3dB
Frequency Response
50hz-20]]></description><pubDate><![CDATA[20201113]]></pubDate></item>
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<title><![CDATA[Stereo Earphone]]></title><link><![CDATA[https://l2358084707.en.ec21.com/Stereo_Earphone--11573403_11576451.html]]></link><description><![CDATA[audio devices. You don&apos;t have to worry about running out of power, give you unlimited wired listening.
Double moving coil headphones makes the middle and high frequency more natural and bass stronger]]></description><pubDate><![CDATA[20220528]]></pubDate></item>
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<title><![CDATA[Wideband NC Monaural Headset]]></title><link><![CDATA[https://linetech.en.ec21.com/Wideband_NC_Monaural_Headset--2_3236797.html]]></link><description><![CDATA[Frequency
20~20,000 Hz
Sensitivity
-47dB&amp;plusmn;3dB
Speaker
30mm
Impedance
150 ohm
Sensitivity
104db&amp;plusmn;3dB
Max. Input
100mW
Weight
Net 70g
Gift Box Dimension
195 x 155 x 55 mm
Optional
HIS Solut]]></description><pubDate><![CDATA[20170714]]></pubDate></item>
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<title><![CDATA[Aviation Headset]]></title><link><![CDATA[https://leonics.en.ec21.com/Aviation_Headset--502085_10397651.html]]></link><description><![CDATA[audio 
NR Rating : -26 db 
Frequency response : 20-17.000 Hz 
Speakers : Impedance 150 Ohm/mono 300 Ohm/stereo 
Frequency sensitivity : 101 db 
Microphone: frequency response 300-8000 Hz 
Source resi]]></description><pubDate><![CDATA[20180311]]></pubDate></item>
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<title><![CDATA[5pcs in Stock Blue Color Wireless Sweatproof Earphones for Phone MP4 Tablet PC Black Red Blue Color]]></title><link><![CDATA[https://jeenalee.en.ec21.com/5pcs_in_Stock_Blue_Color--10637730_10230226.html]]></link><description><![CDATA[5pcs in stock for the blue color
HI-FI AUDIO DRIVER:
The High Fidelity Audio Driver allows for a more natural play back experience. Low frequencies are subtly strengthened giving a crystal clear more]]></description><pubDate><![CDATA[20180410]]></pubDate></item>
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<title><![CDATA[Round Shape Earbud with Comfortable Silicon Gel]]></title><link><![CDATA[https://earphonedavid.en.ec21.com/Round_Shape_Earbud_with_Comfortable--4000232_4142450.html]]></link><description><![CDATA[Frequency Response:
20-20,000HZ
Max Input Power:
60mW
Weight:
20g
Cord Length:
1.2m (changeable)
Jack Type:
3.5mm stereo plug
It is compatible with: 
MP3/MP4, walkman, CD, radio, and other audio devi]]></description><pubDate><![CDATA[20200612]]></pubDate></item>
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<title><![CDATA[Cheap Earphone in ear for Mobile Phones, Computer, MP3 Music Player, OEM Factory.]]></title><link><![CDATA[https://newbenchina.en.ec21.com/Cheap_Earphone_in_ear_for--6604210_5995070.html]]></link><description><![CDATA[Audio Jack: 3.5mm, stereo, gold-plated.
Fashion Headphone, earphone, hands-free, stereo headset for phones, computers
1. With full bass sound, balanced intermediate-frequency and clear high-frequency]]></description><pubDate><![CDATA[20140519]]></pubDate></item>
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<title><![CDATA[Sports Wireless FM Bluetooth Headphones]]></title><link><![CDATA[https://cn03709520.en.ec21.com/Sports_Wireless_FM_Bluetooth_Headphones--8349458_8403929.html]]></link><description><![CDATA[audio transmission
6.Frequency response:20Hz-20KHz
7.Sensitivity:0.1%BERat-80dbM
8.RF output power:-6dBm to 4dBm
9.Transmission range:about 10m
10.Power supply:AC input 110-240V ,output DC 5V/500mA-1]]></description><pubDate><![CDATA[20130815]]></pubDate></item>

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