SKU: 74751270346

HKM-654867 5.1 Channel Dolby AC-3 Digital to Analog Audio Decoder with Optical and Coaxial Inputs

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Description

HKM-654867 5.1 Channel Dolby AC-3 Digital to Analog Audio Decoder with Optical and Coaxial InputsUnlock a new level of audio experience with the HKM 654867 5. 1 Channel Dolby AC 3 Digital to Analog Audio Decoder. This versatile audio decoder is designed to transform your home or entertainment space into a captivating sound environment, perfect for movie nights, gaming sessions, and everything in between. The HKM 654867 supports a wide range of systems, making it compatible with various devices including PCs, notebooks, gaming consoles like PS3

Unlock a new level of audio experience with the HKM-654867 5.1 Channel Dolby AC-3 Digital to Analog Audio Decoder. This versatile audio decoder is designed to transform your home or entertainment space into a captivating sound environment, perfect for movie nights, gaming sessions, and everything in between.

The HKM-654867 supports a wide range of systems, making it compatible with various devices including PCs, notebooks, gaming consoles like PS3 and XBOX360, high-definition players, and set-top boxes. It doesn’t just decode audio; it revitalizes it by converting DTS/AC-3 source digital audio signals into analog 5.1 channel outputs. This ensures you enjoy impeccable audio quality that brings your favorite content to life.

Key features of the HKM-654867 include multiple input options, offering 2 SPDIF optical fiber inputs, 1 coaxial input, and a stereo input. This rich selection ensures seamless connectivity with all your audio sources. Also, the built-in USB 5V output allows for easy connection of external 5.1 earphones, enhancing your audio listening experience.

With an impressive signal-to-noise ratio of 120db, you can expect crystal-clear sound without interruptions. The decoder also features a simple one-key switch to effortlessly toggle between stereo and 5.1 channels, making it user-friendly and convenient.

In terms of design, the HKM-654867 measures 105×75x25mm, making it a compact addition to any setup. Its sleek appearance combines functionality with modern aesthetics.

Enjoy a richer audio experience with the HKM-654867, designed to decode high-quality audio signals from a variety of digital sources. Transform your entertainment with stunning sound clarity and depth, and immerse yourself in the world of DTS and Dolby audio.

Product information:

Type: Audio decoder
Support system: all
Resolution: Dolby DTS
Remote wakeup: support remote wakeup
Power management: support power management
Line length: 1.5 (meters)
Purpose: Audio line
Interface: optical fiber coaxial
1. Design concept:
DTS/AC3 audio decoder, widely used in computer PC, notebook, PS3, XBOX360, high-definition player, high-definition set-top box, DM500/DM800, Blu-ray DVD, HD-CD player and other audio and video players output source audio to decode and restore Go to DTS/Dolby sound field, let many homes, schools, squares, concert halls, movie theaters and other places enjoy the shocking effect brought by DTS or Dolby sound field.
2. Functions and features:
1. Decode the DTS/AC-3 source code digital audio signal and convert it to an analog 5.1 channel audio signal
2. The analog stereo (R/L) signal is converted into an analog 5.1 channel audio signal through the audio processing chip
3. 2 SPDIF optical fiber inputs, 1 coaxial coaxial input, 1 stereo stereo input, more complete and more convenient switching brought by multiple digital audio outputs
4. USB 5V power output, convenient for external 5.1 earphones with USB power supply
5. Multi-channel one-key switch, convenient and fast, and switch between stereo and 5.1 channels at the same time
6. Sex to noise ratio: 120db
7. Resolution: 80db (1KHZ)
8. Response frequency: 20Hz~20KHz +/- 0.5db
9. Analog output level: 2.2V
10. Product appearance size: 105×75x25mm
3. Interface function:
1. Input interface: optical fiber, coaxial, stereo
2. Output interface: center (CEN), front left (FL), front right (FR), rear left (SL), rear right (SR), heavy bass (SW)
4. Product advantages:
1. Rich input interface: optical fiber, coaxial, analog audio interface
Output interface: FL/FR, SL/SR, CEN/SW, USB-5V OUT
2. Use global audio decoder chips to decode DTS/Dolby Digital audio source code
3. Wide application range: digital signals output by network players, high-definition video players, Blu-ray DVD, DVD, SP3, XBOX360, etc.
4. The product is exquisite, compact and convenient, plug and play, strong mobility


Size information:

10.7*8*2.5cm

Packing list :

Host*1, power supply*1, optical fiber cable*1, manual*1




Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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]
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SKU: 74751270346

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4.2 ★★★★★
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Verified Purchase
Guy Tingos
Houston, US
★★★★★ 5
This is the one to get
Color: Black
I find having separate controls for temperature and foam density is critical and this model nails it. The "newer model" listed in the product description eliminates the separate controls and does not function as well. This frother also has nice features such as the ability to produce cold foam and easy cleaning. It is also extremely quiet. I've tried several mid-range electric frothers and this is the best.
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Reviewed in the United States on May 11, 2026
M
Verified Purchase
Mizz Road Runner
Waukegan, US
★★★★★ 5
So far. so good.
Color: White
This is my 3rd frother that I purchased from Amazon. The others were brand name frothers that broken within a few months of use. I won't name here (hint: begins with an N and ends with an o) This Milk frother from Maestri however works excellent. Multiple heat and drink settings and makes the perfect foam every time. I especially like how the pitcher is removable from the electric base and can be washed with out worry. easy to use. Just read the manual to understand all the settings, makes a perfect froth in less than 2 minutes. I've only had this for a few weeks but I am impressed.
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Reviewed in the United States on February 11, 2026
L
Verified Purchase
lvs
Charlottesville, US
★★★★★ 4
Loving it so far!
Color: White, Color: White
02 Nov 2025 I've only used this twice and I already love it. My main reason for buying it is for protein hot chocolate I drink twice a day. I previously made it at the stove and that took 13 minutes of constant mixing to reach 160°. My hot chocolate is 1 cup of milk, 1 tbsp each cacao powder and panela (sugar), 1-2 tbsp collagen powder, vanilla extract, and 1 whole egg. I premix everything before pouring it into the frother because, while it may be able to handle the powders, there's no way that whisk will be able to break the whole egg enough to thoroughly blend it before it starts cooking. I'm totally fine premixing the night before and heating it in the morning. I made the first batch this morning with 2 cups of milk doubling only the cacao and sugar which brought it to just below the top max line, and it came out perfect. It was smooth and there was no burnt taste. I used the recommended hot chocolate attachments, lowest froth setting, and 160° temp setting. I had almost no froth in my hot chocolate which was perfect. I removed the pitcher as soon as it was done to prevent any burning. I checked the temp with a thermometer and the temp was actually 165°. I don't really know if that would impact the taste if there was less milk. For the 2 cups, it was still perfect. I do wish there was a little more temp control like a 150° or 155° setting. I also wish it was able to give you the temp as it was heating in case you want to pull it off just before it hit the set temp. The bottom right button is superfluous. It helps with the foam setting, but you can also simply press each of those buttons directly. Cleaning is super easy, just remove the pitcher and attachments. I love that the attachments are magnetic, but I recommend taking them out before pouring because the magnets aren't that strong. All in all, great for the price and perfect for my needs.
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Reviewed in the United States on November 2, 2025
O
Verified Purchase
Onyx
Carnegie, US
★★★★★ 5
Works great with soy milk
Amazing steamer with high volume capacity. I can make large lattes. I love that it let's you choose your temperature. I use soy milk, and it works perfectly every time. When using at max temp, only a tiny bit of soy milk gets a little burnt on the bottom, and it scrubs right off. Since the little whipping tool comes off on the inside, it cleans very easily. I love that the little whipping tool is magnetically attached, too. It's super easy to work with and very secure. My 8 year old uses this all on her own without issue, which proves how easy it is. Highly recommend.
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Reviewed in the United States on March 12, 2026
L
Verified Purchase
Lauren Pavone
Louisville, US
★★★★★ 5
Great frother choice!
I love this thing! As a former barista, this frother does a wonderful job! I've done hot and cold foam and they held up great! Used oat milk once and that did a great job foaming up! It can take a few minutes for the foam, so when I start my coffee, I start the foam, too. It's also dishwasher safe, which I love.
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Reviewed in the United States on February 13, 2026

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