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FiiO K7BT amplificador de auriculares Bluetooth de alta fidelidad DAC AK4493S*2, XMOS XU208 PCM384kHz DSD256, entradas USB/óptica/coaxial/RCA, salida de 6,35 mm/4,4 mm (enchufe de EE. UU.)

Envío gratis en pedidos superiores a Mex $600.00

Mex $6,529.37

Mex $ 1,881 .00 Mex $1,881.00

En stock

Acerca de este artículo

  • El DAC/Amp Bluetooth equilibrado de computadora más competitivo y eficiente y rentable dentro del rango de 300 USD
  • Adopta el circuito de audio de seis etapas como en los dispositivos de gama alta de FiiO, y cuenta con 2 últimos AK4493SEQ DAC de AMK y amplificadores dobles THX AAA 788+
  • Soporta múltiples salidas: 4,4 mm equilibrado, 6,35/3,5 mm de salida única, así como múltiples entradas: USB, óptica, coaxial y AUX in;
  • Viene con funciones versátiles, así como potencia de salida robusta: 1% THD+N bajo salida BAL, 2000 mW de potencia de salida estable, que puede conducir la mayoría de auriculares, incluyendo auriculares de tamaño completo;
  • Soporta selecciones de entrada, 2 niveles de ganancia y 3 niveles de salida, y cuenta con luces indicadoras RGB que pueden mostrar el estado de trabajo y diferenciar las tasas de muestreo.



Descripción del producto

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Chip Bluetooth Qualcomm QCC5124

Los amplificadores de auriculares K7BT emplean el Qualcomm QCC5124 para manejar las tareas de Bluetooth, con soporte para formatos como LDAC, aptX HD y aptX Adaptive. Este chip garantiza que las conexiones Bluetooth sean fiables y rápidas, satisfaciendo tanto las necesidades de baja latencia para juegos/videos como la alta tasa de bits necesaria para el audio de alta resolución.

Compatible con formato Bluetooth: AAC/SBC/aptX/aptX LL/aptX HD/LDAC/aptX adaptive

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Amplificador THX AAA 788+

Utilizando los mismos amplificadores THX AAA 788+ que el K9 Pro, el K7BT es capaz de emitir 560 mW a una carga de 300 Ω a una distorsión del 1% y 2000 mW a una carga de 32 Ω a una distorsión del 1%.

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Decodificación y amplificación equilibradas

El K7 BT tiene un circuito de audio de seis etapas con secciones analógicas y digitales verdaderamente equilibradas, lo que ayuda a reducir la diafonía y reproducir música en gran medida, lo que le permite disfrutar mejor de la pureza de su música.

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Dual AK4493SEQ

Los canales izquierdo y derecho están equipados con un eficiente AK4493SEQ de alto rendimiento. Con el agradable timbre de este DAC, su rico y delicado sonido general te permitirá redescubrir tu música de nuevo.

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Fuente de alimentación de bajo ruido

El K7 cuenta con un diseño de potencia que consta de múltiples etapas independientes, con un voltaje de cada etapa regulado por LDO de bajo ruido. Alimentar este diseño de alimentación es una fuente de alimentación de conmutación externa de 12 V

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XMOS XUF208

El chip decodificador XMOS XUF208 utiliza la gestión de reloj dual para manejar varios formatos de música con facilidad, lo que le permite escuchar fácilmente muchos formatos de audio.

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Variedad de entradas y salidas

El K7BT contiene entradas USB, ópticas, coaxiales y RCA. Las salidas son de 6,35 mm de un solo extremo y 4,4 mm de equilibrio para una escucha agradable sin importar los auriculares.

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Dos niveles de ganancia

Los altos y bajos niveles de ganancia de hardware le permiten ajustar fácilmente el K7BT para manejar auriculares de varias impedancias y sensibilidades para una experiencia de escucha rica y consistente.


Dr pj
Comentado en Francia el 6 de marzo de 2025
Rapport qualité-prix excellent !Trés bon son avec un Focal Clear MG.Facile à appareiller à un Nuc !
James S
Comentado en los Estados Unidos el 6 de julio de 2024
I want you to know where I’m coming from.I spend a lot of my time on my PC. 75% of that is on games. The other 25% is split between music and movies. I spend half my time using my Klipsch ProMedia 2.1s speakers, and the other half with my Sennheiser HD 58x "Jubilee" headphones.I am not an audiophile. I am not chasing the pinnacle of music quality. I do not need to hear every frequency known to science. What I do need is audio that's functional and reliable.Previously, my headphones were plugged into my motherboard onboard audio, powered by the Realtek AC4080 chip. My speakers were connected to my monitor, which received audio via HDMI from my RTX 4090. Swapping outputs via Windows was obnoxious, made only worse by the occasional crash from Realtek audio suite. That's not functional.Sometimes throughout this process, the sound from my Discord would drop completely. It's hard to coordinate with teammates when you can't hear what they're saying. That's not reliable.I bought this dac/amp because:1. I can route both my speakers and headphones to the K7 directly, and tell Windows/Realtek to output all audio to a single source. That's less jank and less potential for crashes.2. I can swap between speaker/headphone with a physical switch, without any need to unplug anything.3. I hope the audio quality of a $200+ external dac/amp is better than the $2 Realtek solution on my motherboard.4. The color and the RGB ring matched the rest of my setup.Did this dac/amp meet these goals? Yes.The unit is plug and play. Windows drivers are 100% functional. Fiio drivers were sketch. They were on the Fiio Chinese forums and linked to a Google drives page. They did not improve the audio, but did cause a conflict with the microphone in jack on my motherboard. I deleted the drivers within an hour.Does the Bluetooth work well? I don’t know, I’ve never used it. Frankly, the only reason I purchased the BT unit is because it received some hardware revisions over the non-BT unit, including a lag-free volume wheel. If you don’t care about that, you can save $50 by getting the non-BT K7.I was not an English major in college. I can say, using 10th grade vocabulary, that the audio from my headphones sound “better”. There are some elements to my music – primarily EDM – that are more pronounced now that I just didn’t notice previously. My Kipsch speakers also sound bass-ier – not that it needs more bass. I cannot confirm how much is this is objective, and how much of this is placebo effect.In games, I can localize audio better. Previously, I can pinpoint if a sound is coming from the left or right, but that's about it. Now, I can also tell if it's in front or behind me. Does this make a significant difference in my shooter skills? No. That would actually require practice and dedication. But it IS a noticeable improvement from onboard sound.This thing is well built. Heavy and solid. Adds a strong presence to the rest of my gaming setup. I take great enjoyment from the volume knob and the physical switches in the front. It works well, and I no longer have to swap outputs via Windows audio settings.Is this worth the money? Depends on your current setup and financial status.If you’re on a budget and/or have a mid-range PC, I wouldn’t even think about dropping money on this -or any- external dac/amp combo. There are way better things to upgrade that will make a meaningful impact to your gaming experience. A faster GPU. A higher refresh rate monitor. A second monitor. More storage space. A better keyboard/mouse. Hell, I'll even take a better gaming chair before this.If you're completely satisfied with your PC, but you still have disposable income to make marginal upgrades on the audio side - because make no mistake, that's what this is - then this is about as good as you can get within the $200-250 price bracket. I am honestly happy with this unit, as it has met all my goals.
Yıldırım atakan
Comentado en Turquía el 6 de noviembre de 2024
Fiyatına göre performansı gayet iyi malzeme kalitesi de çok iyi
Theodor
Comentado en Alemania el 6 de octubre de 2024
Toller klang, robustes Gehäuse, bin mehr als zufrieden!
Velotican
Comentado en el Reino Unido el 2 de noviembre de 2023
Let's get the important part out of the way - this is a supreme quality product at a very attractive price. Not very long ago a device of this caliber would have cost two or three times the price of the FiiO K7 BT. There were reports of QC problems with the original K7, but these were apparently resolved before this updated re-release with the new Bluetooth module. I've had no issues using this product so far in terms of build quality. While the iFi Zen DAC v2 is often cited as a comparable product to the K7 as they are both balanced amps, after using them both for some time this does a disservice to the K7 as it blows away the Zen on every metric. If you are looking for an affordable all-in-one desktop audio solution, you can buy this with complete confidence, and for most people they will never need another DAC/Amp again.So first then let's look at the exceptions - what does the K7 not have that the Zen does? Balanced Line In/Out is the standout missing feature, and if it did have that it would actually be a nearly perfect product. This is usually only found on expensive speakers but is a strange omission all the same as the K7 is a true balanced amp. The left and right stereo channels are processed separately and both a "hot" signal and inverted "cold" signal are generated by the amp. Line In/Out is single-ended only on the K7, which does not take advantage of this DAC/Amp configuration. In other words, the K7 is geared primarily for use with headphones with additional support for active speakers. Passive speakers will require an additional speaker amp to reach a listenable volume. However, this still covers the vast majority of modern speakers on the market currently so in practice is not much of an issue. It's very rare to find a speaker that is balanced only, but they're out there.The other omission of note is native USB Audio Class 1 (UAC1) support - the K7 supports the much newer UAC2 only which allows it to receive and process hi-res audio. This shouldn't be an issue, however some modern devices still use this obsolete standard, notably the Nintendo Switch and PlayStation 5. To use these devices on the K7 without compromises to sound quality, the USB audio signal must be converted to an Optical audio signal, which requires a USB to Optical passthrough adapter limited to receiving signals at 16-bit/48KHz max (equivalent to DVD quality). I connected my Nintendo Switch to the K7 using this method and from there had no further problems, and this method allows you to use the superior DAC you already paid for in the K7 to process the audio as the audio still arrives at the K7 in digital form. This workaround also has the upside of allowing me to connect my PC and Switch to the K7 at the same time.Otherwise, the K7 has full support for USB Audio up to 32-bit 384KHz and Optical Audio in both TOSLINK and Coaxial formats up to the maximum possible quality these formats can support. You cannot merge digital audio sources so only one input can be used at a time, with an Input button on the front being used to switch between them. RCA Line In is provided to allow analog input from another preamp, using the K7 as a dedicated headphone amp.A common complaint with the K7 is the digital volume dial, apparently using 116 discrete steps to attenuate the volume. It seems the steps are evenly spaced apart on the decibel scale, so the K7 can get deafeningly loud if you feel like ruining your hearing, however unity gain (volume input matches volume output) has been set to the halfway mark on the dial. This means if you actually need to amplify the volume output, you have to go over the halfway mark. The K7 has been designed this way to grant the user more control of the volume when using IEMs - some IEMs are extremely sensitive to voltage and actually require surpression rather than amplification. You soon get used to it but it is a little strange at first.If you really dislike this though, you can set the K7 to LO (Line Out) mode, which bypasses the volume control and forces maximum volume - so make sure you have a volume control somewhere else or you will quickly learn how much the volume dial restrains the K7! You should never have any issues getting any active speakers or headphones to a listenable volume. Not only that though, there is also enough current to get highly accurate bass and treble. Not only loud then, but crystal clear too. The Zen simply can't pull this off in the same way and runs out of juice on deep bass and intricate treble, especially when having to produce both at the same time. The K7 on the other hand makes this look effortless, so now your only limitation will be your headphones or speakers. I expected an improvement to my headphone experience, but it ended up being the speakers that were dramatically improved. My two subwoofers are now being driven with remarkable control and detail.Regarding the primary feature of the K7, enough voltage and amps are provided through the balanced audio jack to fully drive nearly every headphone currently on the market. You would have to go out of your way to overwhelm the K7. The converted single-ended headphone output is quieter but not crippled nor inadequate, and if all else fails you still have the high gain switch, which apparently boosts signal and noise by ~6dB. I have never needed to use this so far and I doubt I ever will, but it's there if you do. I currently use the Edition XS as my daily driver headphones which are known for being very current-hungry and demanding and the K7 meets its demands with ease.So far everything I've covered applies to both the K7 and the K7 BT, but of course there's Bluetooth support on this model and the improved flexibility this provides you completes the package for me. I tried out this mode with two devices: my Nintendo Switch and my mobile phone. Unfortunately the Switch uses the worst Bluetooth codec available and doesn't let you change, but even with a poor quality source the performance of the K7 shines through as it does the best it can with what it's given. The experience on my phone was significantly better and I could try out the more advanced codecs available to the K7 through the Bluetooth configuration app. Bluetooth audio is lossy and the minor quality degradation compared to the wired inputs is noticeable but is marginal especially on the newer codecs. This is a feature you use for the convenience factor and in that role it excels, but if you can reliably hook up a device to the K7 wired, you should do so for the best experience.Until very recently I would have said that this is an almost ideal product, especially for the price. Costs have been cut carefully in the right places and the features that are missing most people won't miss. The heat the unit generates is also very well managed and I don't ever feel in danger of it overheating. However, as I write this the very new FiiO K11 is half the price of the K7, has UAC1 support and most of the K7's features although it's not as powerful (1400mW to the K7's 2000mW) and uses different DAC and Amp chips. Check out the K11 before buying the K7, but I personally would still buy the K7 - this is the sweet spot and the one to beat.
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