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Description
FiiO K7 BT Bluetooth Desktop DAC & AMPFeatures Truly balanced headphone amp THX AAA 788+ amp technology Dual AK4493S DACs Multiple intelligent protection systems Power supply with numerous independent LDOs Included 12V 24W low noise switching power supply RGB status indicators 3 output modes Two levels of hardware gain Numerous outputs and inputs Truly balanced decoding and amplification The K7 has a six stage audio circuit with truly balanced analog and digital sections which helps to
Features
- Truly balanced headphone amp
- THX AAA 788+ amp technology
- Dual AK4493S DACs
- Multiple intelligent protection systems
- Power supply with numerous independent LDOs
- Included 12V/24W low-noise switching power supply
- RGB status indicators
- 3 output modes
- Two levels of hardware gain
- Numerous outputs and inputs
Truly balanced decoding and amplification
The K7 has a six-stage audio circuit with truly balanced analog and digital sections – which helps to reduce crosstalk and reproduce music to a great extent, allowing you to better enjoy the purity of your music.
Democratized high-quality balanced amplification couldn’t sound better
Using the same THX AAA 788+ amplifiers as the K9 Pro, the K7 is capable of outputting 560mW into a 300Ω load at 1% distortion, and 2000mW into a 32Ω load at 1% distortion. This ensures both low and high impedance headphones are powered with aplomb, and most importantly lets you experience musicality that’s sure to tug at your heartstrings.
Dual AK4493SEQ rich and delicate overall sound
The left and right channels are each equipped with an efficient high-performance AK4493SEQ. With this DAC’s pleasant timbre, its rich and delicate overall sound will let you rediscover your music all over again.
Robust decoding capabilities take a trip around the music world
The XMOS XUF208 decoder chip uses dual clock management to handle various music formats with ease, allowing you to easily listen to many audio formats.
RGB indicator lights for a colorful entrance
The RGB indicator lights are capable of displaying single colors as well as mixed colors, with a unique light flow effect during power-on/off or input switching. Dazzling and vivid light effects give your desk some much needed spice.
Specifications
| Name / Model No. | K7 | Hardware solution | DAC: AK4493S*2 , USB: XMOS XUF208 , Voume IC：NJU72315 * 2, AMP：THX AAA 788+ * 2 |
| Color | Black | Volume Scroll | Potentiometer+ADC Sampling |
| Weight | ≈610g | FiiO Control | Unsupported |
| Gain | L/H | Firmware upgrade | XMOS can be upgraded via USB |
| Maximum supported sampling rate |
PCM 384kHz-32bit/DSD256（USB DAC） PCM 192kHz-24bit（COAX） PCM 96KHz-24bit（OPT） |
Sampling rate indication | Blue：44.1KHz/48KHz Yellow：88.2/96/176.4/192/352.8/384KHz Green：DSD64/128/256 |
| Recommended headphone impedance | 16~300Ω | ||
| Buttons and interfaces | |||
| Buttons | input button*1+gain switch*1+output switch*1 | USB | USB B（data） |
| LINE IN | RCA sockets | LINE OUT | RCA sockets |
| OPT IN | TOSLINK | COAX IN | RCA sockets |
| BAL PO | Standard 4.4mm port | SE PO | Standard 6.35 mm port |
| Power parameters | |||
| Power supply | DC 12V/2A | Battery capacity | / |
| Audio parameters | |||
| Line output performance parameters | |||
| Frequency response | 20Hz~20KHz：±＜0.4dB（UAC) | Crosstalk | ≥102dB (1kHz/10kΩ) |
| 20Hz~20kHz：±＜0.8dB(SPDIF IN ) | Noise floor | ＜3μV（dbA） | |
| 20Hz~50KHz：±＜2.2dB（UAC) | SNR | ≥116dB (dbA，UAC) | |
| 20Hz~50kHz：±＜1.7dB(SPDIF IN ) | |||
| THD+N | ＜0.0005%(1kHz/10kΩ/dbA) | Output level | ≥2Vrms |
| Headphone output performance parameters（6.35mm） | |||
| Output power1 | L+R≥1220mW+1220mW（32Ω /THD+N＜1%) | Output impedance | ＜1Ω（32Ω） |
| Crosstalk | ≥77dB (1 kHz/32Ω) | ||
| Output power2 | L+R≥140mW+140mW（300Ω / THD+N＜1%) | Noise floor | ＜3.1μV（dbA，AUX IN) |
| Frequency response | 20Hz~20KHz：±＜0.3dB（UAC) | ＜4.4μV（dbA，UAC） | |
| 20Hz~20kHz：±＜0.7dB(SPDIF IN ) | |||
| 20Hz~50KHz：±＜2.1dB（UAC) | SNR | ≥128dB (dbA，AUX IN） ≥120dB (dbA，UAC） |
|
| 20Hz~50kHz：±＜1.6dB(SPDIF IN ) | |||
| THD+N | ＜0.0003% (1 kHz/32Ω/dbA) | Peak output voltage | ≥18.9Vpp |
| Balanced headphone output performance parameters（4.4mm） | |||
| Output power2 | L+R≥2000mW+2000mW（32Ω /THD+N＜1%) | Output impedance | ＜1Ω（32Ω） |
| Crosstalk | ≥124dB(1 kHz/32Ω) | ||
| Output power3 | L+R≥560mW+560mW（300Ω / THD+N＜1%) | Noise floor | ＜5.1μV（dbA，AUX IN) |
| Frequency response | 20Hz~20KHz：±＜0.3dB（UAC) | ＜7.7μV（dbA，UAC） | |
| 20Hz~20kHz：±＜0.7dB(SPDIF IN ) | |||
| 20Hz~50KHz：±＜2.1dB（UAC) | SNR | ≥128dB (dbA，AUX IN） ≥120dB (dbA，UAC） |
|
| 20Hz~50kHz：±＜1.6dB(SPDIF IN ) | |||
| THD+N | ＜0.0003% (1 kHz/32Ω/dbA) | Peak output voltage | ≥37.7Vpp |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Amazing value and performance — perfect everyday home printer!
Color: Black, Style: ET-2800-B, Pattern Name: Printer
After lots of research and comparing ink costs, I finally purchased the Epson EcoTank ET-2800 Wireless Color All-in-One Cartridge-Free Supertank with Scan and Copy and it has been one of the best tech investments I’ve made for my home setup. Whether I’m printing documents, photos, homework, or creative projects, this printer delivers consistently reliable results without the usual stress over ink costs.
Right out of the box, setup was surprisingly easy. Epson’s app guided me through the wireless connection, and within minutes the printer was connected to my Wi-Fi and ready to go. The initial filling of the ink tanks took a few extra minutes, but the included bottles were clearly labeled and simple to use without mess.
The print quality has exceeded my expectations for an all-in-one home printer:
- Documents: Crisp, clean text — perfect for school assignments, work documents, letters, and recipes.
- Photos: Bright, colorful prints with decent detail (especially when using good-quality paper).
- Graphics & Crafts: I’ve printed worksheets, planner pages, labels, and even small art pieces — and everything looks sharp and vibrant.
- The speed is solid for its class. It’s not a professional office machine, but it doesn’t feel slow for everyday use.
Cartridge-Free Ink — Game Changer
This is the real highlight:
- Cartridge-free Supertank System:
Instead of tiny cartridges that run out in no time, this printer uses large refillable ink tanks — which means massive savings on ink long-term.
- Low Ink Cost:
You really feel the savings after your first few refills. I used to go through cartridges quickly, but now I only refill every few months — and even then, it’s affordable.
The included ink bottles provide a ton of pages, and you can easily track levels through the transparent tanks so you’re never caught off guard.
The wireless setup works smoothly. I can print from:
- My phone (via Epson app, AirPrint, or Google Cloud Print)
- My laptop or tablet
- Directly via Wi-Fi without cables
No more plugging USB in every time — super convenient.
The scanner is quick and easy to use:
- Scan photos
- Scan documents straight to email or phone
- Make copies without touching a computer
The scan quality is clear and accurate — ideal for digitizing receipts, forms, or school worksheets.
Pros:
- Huge savings on ink long-term
- Excellent print quality for text and color graphics
- Easy wireless setup and mobile printing
- Transparent tanks — see ink levels at a glance
- Scanner and copier work well for everyday tasks
- Quiet operation compared to older printers
Minor Notes
- Initial setup takes a bit longer because of ink filling — but it’s worth it.
- Photo prints are good for casual use, though super high-detail photography will still look better with dedicated photo printers or labs.
- No automatic document feeder (ADF) — so multi-page scanning requires manual pages.
The Epson EcoTank ET-2800 has transformed my printing experience. It’s affordable to run, produces great everyday prints, and the wireless features make it super convenient for the entire household. If you’re looking for a home printer that won’t drain your budget on ink, this one is absolutely worth it.
Whether you’re printing school documents, work files, planners, photos, or craft projects, this printer does it all with ease — and saves you money over time.
Highly recommended for home use — practical, efficient, and budget-friendly!
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Reviewed in the United States on February 5, 2026
★★★★★ 5
Excellent Investment!
Color: Black, Style: ET-2800-B, Pattern Name: Printer
I have had this printer for two years now. I purchased it to do invitations and signs for my Daughter's baby shower. I designed an invitation, printed more than sixty copies with address labels, return address labels, numerous signs, games
and raffles tickets. I used it again for the Baby's 1st Birthday same amount of items. I have not had to fill the colored ink in over 2 years. I have filled the black. My husband also uses it for work and I've printed several other projects including pictures. Everything has always exceeded my expectations. For the price you get excellent quality. I find the software easy to use and update.
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Reviewed in the United States on June 11, 2026
★★★★★ 5
Inkjets have come a long way
Pattern Name: Printer, Style: ET-15000
Just a lot to like about this printer and nothing I don't like. Very capable for the price.
I do mostly black and white printing, rarely print photos. (This will supposedly do a credible job of photo printing too but I haven't tried it). If you want professional caliber photo printing, you probably want the Epson 8550 which is similar to this, a bit more expensive, but does 6 color printing. If you are doing more like every day business printing the 15000 might be a better choice because it's built more for speed.
The tank system means I can just replace the black because I use it a lot. The black ink tank is double size of the others and based on my experience so far, I think I'll easily get over a thousand pages on the standard-vivid setting which is very strong black but still relatively high speed printing. Given that the black ink bottles are under $30 I think the cost per page will be comparable to laser.
The booklet/pamphlet printing can be complicated to work out with layers of PDF software and the Epson printer driver. But once you work it through, it's super capable. I've printed a lot of 12 x 18 double-sided for booklets and the paper handling has been flawless. (It can duplex automatically for 8 1/2 x 11 but for other sizes you have to manually duplex, which you can do by printing back/front or even/odd.)
It's not as fast as a laser printer but it's pretty fast -- inkjets have improved so much.
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Reviewed in the United States on April 16, 2026
★★★★★ 5
Perfect Printer for My Small Business
Pattern Name: Printer, Style: ET-15000
I purchased the Epson ET-15000 for my crafting and apparel business and have been very pleased with its performance. The print quality is excellent, colors are vibrant, and the large ink tanks help save money over time. It handles larger print sizes with ease and has become an essential part of my workspace.
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Reviewed in the United States on June 3, 2026
★★★★★ 5
Nice large format printer which is what I needed
Pattern Name: Printer, Style: ET-15000
I make stained glass panels and needed a printer that I could make larger copies with. I also wanted one that I could manipulate my images with. This was my best option and I love the Eco-Tank printers. After reading the reviews I made sure to add a couple years of additional warranty for my peace of mind. Finding 13 x 19 paper that was affordable was a tough challenge. I found a bunch on FB marketplace and bought everything they had to offer.
This printer was very easy to set-up. I just followed the instructions and then followed what was on my computer screen. At first I thought I would have an issue connecting to Wi-Fi but when it failed on the computer, I was able to go to the printer and do it from the control panel - Easy peesey. I have used it several times since filling, charging, and installing and everything works as it should. My husband has an Eco-Tank printer and I've wanted one since he got his. I love that the ink will last a very long time and that it will be cost efficient. I am not overly interested in photo printing so this was the perfect choice for my needs.
The print quality is fairly good when comparing it to my old Canon and e that there are several paper trays and ways to make copies, especially the automatic feed and the larger scanner bed.
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Reviewed in the United States on January 26, 2026