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Capacidad de la batería de litio: 1500 mAh.
Tiempo de uso del amperio: alrededor de 13 horas.
Modo de decodificación Bluetooth: SBC
Protocolo Bluetooth: A2DP V1.3.1, AVRCP V1.6, HFP V1.7, HSP V1.2
Distancia Bluetooth: 8 m máx.
Voltaje de la batería del amperio: DC3.7V - 4V
Voltaje interno de funcionamiento: ± 4 V.
SNR>100Db
THD+N 0.0003%
Impedancia de auriculares adaptada: 16-300Ω
Dimensiones: 96 x 61 x 15 mm (largo x ancho x alto).
Paquete:
1 amplificador de auriculares Bluetooth.
1 cable de alimentación tipo C.
1 cable de audio.
1 manual de usuario (idioma español no garantizado).
David Wallace
Comentado en el Reino Unido el 13 de marzo de 2025
Yes, "Impressive". Wired & Bluetooth both excellent with enough amplification to drive Sennheiser HD 660S2[300ohm] headphones from laptop even at low gain. Sound quality seems neutral with no noticeable distortion, Good solid well finished aluminium case and nice touch that illuminated eoteck logo subdued and not distracting.If affordable, well worth the purchase.
Peter
Comentado en Suecia el 14 de febrero de 2025
I waited 4 months before reviewing this, just to make sure my first impressions were accurate.I wanted something to drive a pair of Beyerdynamic DT-770 Pro 80Ω Limited Edition headphones, streaming FLAC audio from my Plex server via mobile/tablet.This little amp is powerful enough to drive 80Ω audiophile/studio grade headphones easily with good loudness at 2/3 full volume on normal gain, and without distortion at uncomfortably loud levels on high gain. There is some very faint almost indiscernible background hiss at high volume levels with music on pause/between tracks, but that seems to disappear as soon as signal is received.Output is very clean/flat/neutral, so much so that I started looking at my Samsung Galaxy tab Android built in Sound Profiles, and discovered that I have measurable hearing loss in my right ear at high frequencies. I now have an 'Adapt sound' profile set up to counteract that.I could try and sound all professional and audiophile, but simply put, this Amplifier paired with a decent set of headphones has transformed my mobile listening. I am hearing details I was never aware of before on music I have owned for years; music that I have listened to on various mid to high range amplifiers (e.g. Denon) and speakers (e.g. B&W) over the years.If I was trying hard to find something to complain about, I can say that Bluetooth range is mediocre, borderline reception at max 10 meters in absolute clear line of sight, but even so much as a dining room chair in between and it is down to 5 or so meters. Really not an issue for me since I have the amp right next to my mobile device, but might be good to know.Others have mentioned the quality of the volume control. I am treating mine with care, and have the amp in a hard case with my headphones when it's not in use.
Kees
Comentado en los Países Bajos el 5 de enero de 2025
Device is heavy build - strong metal case - and feels very solid . The amp connects very easily to my iPhone through Bluetooth and gives great power to my headphone , the sound is phenomenal , specially if you think about its price ! For some reason the headphone sounds better then before! Some headphones may need a converter plug from big toSmal connection. …A very worthy 5 star product !!!So buy this , tut will not be disappointed!
Mehmet Demircan
Comentado en Turquía el 21 de julio de 2024
He400se 'yi gayet güzel besliyor. Herhangi bir sıkıntı, dip ses vs yok. Shuoer S12 taktığımda biraz dip ses alıyorum ancak bu gayet doğal çünkü iemler düşük güç tüketimi ve yüksek hassasiyetlidir. Yani gereğinden fazla güç verirseniz dip ses duymanız doğaldır. Sarjı gayet iyi ve belirtilen sürelere kadar dayanıyor. Kendim sıradan samsung sarj aletinde masada sürekli bağlı kullanıyorum, herhangi bir statik ses yok. Ancak bilgisayarın usb girişine bağladığımda statik ses epey duyuluyor. Kısacası elektriği verdiğiniz cihaz statik sesin varlığı açısından son derece önemli. Şarja bağlı değilken herhangi bir statik ses yok. Düşük güçlerde sağ sol dengeside fiyatına göre gayet tatminkar. Gücü yaklaşık %10-15 i geçtiğinde sağ sol dengeleniyor. O değerin altındayken soldan ses biraz daha az geliyor. Bu elinize gelen üründen ürüne değişiklik gösterebilir. Genel olarak fiyatına göre gayet iyi olduğunu düşünüyorum. En azından markasız dropship ürünü değil. Kendi siteleri vs var kontrol edebilirsiniz.
T. Eckl
Comentado en Alemania el 28 de noviembre de 2023
Ich war auf der Suche nach einem bluetoothfähigen Kopfhörerverstärker, um einen Beyerdynamic DT770 mit 80 Ohm damit zu betreiben. Das funktioniert mit diesem Teil sehr gut. Ich nutze es beim Schlagzeugspielen zum Einspielen von Metronom oder Übungstracks. Die erreichbare Lautstärke reicht locker, der Akku hält >4h (mehr habe ich nicht getestet) und die Soundqualität passt. Rauschverhalten ist aus meiner Sicht völlig ok. Wenn ich den Verstärker voll aufdrehe, hört man natürlich ein leichtes Rauschen, aber wenn ich dann ein vernünftiges Nutzsignal anlege, fallen einem sowieso die Ohren ab...Ich kann das Teil echt empfehlen, da Preis/Leistung hier echt stimmt.Achja, Lieferung war trotz GB+Zoll usw.
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