Devialet - Expert Pro 220W 2.0-Ch. Amplifier - Chrome
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Specifications
- Continuous Watts x Channel @ Ohms9Number of Channels2.0Audio Only Inputs1 x Phono, 1 x Optical digital audio, 1 x USB-A, 2 x Coaxial digital audio, 2 x Coaxial digital audioNetwork Connector(s)1 x 3.5mm mono in, 1 x 3.5mm mono out, 1 x LAN, 1 x RS-232
- Key Specs
- Continuous Watts x Channel @ Ohms: 9
- Number of Channels: 2.0 (The number of discrete channels of sound output. This can be a single number or multiple numbers separated by decimal(s). The first number is the primary, horizontally directed audio channels. The number after the first decimal, if applicable, is the number of subwoofer outputs or channels. The number after the second decimal, if applicable, is the number of height or atmospheric channels designed to immerse the listener by producing overhead sound effects.)
- Audio Only Inputs: 1 x Phono, 1 x Optical digital audio, 1 x USB-A, 2 x Coaxial digital audio, 2 x Coaxial digital audio
- Network Connector(s): 1 x 3.5mm mono in, 1 x 3.5mm mono out, 1 x LAN, 1 x RS-232
- General
- Brand: Devialet
- Model Number: AK838
- Product Name: Expert Pro 220W 2.0-Ch. Amplifier
- Color: Chrome
- Audio
- Continuous Watts x Channel @ Ohms: 9
- Number of Channels: 2.0 (The number of discrete channels of sound output. This can be a single number or multiple numbers separated by decimal(s). The first number is the primary, horizontally directed audio channels. The number after the first decimal, if applicable, is the number of subwoofer outputs or channels. The number after the second decimal, if applicable, is the number of height or atmospheric channels designed to immerse the listener by producing overhead sound effects.)
- Total Harmonic Distortion: 0.00025 percent (Measurement of the harmonic sound distortion. The lower the percentage, the cleaner the sound.)
- Amplifier Type: Integrated amplifiers
- Signal-to-Noise Ratio (SNR): 130 decibels (The ratio of the desired signal's strength to the level of background noise. A ratio higher than 1:1, which equates to greater than 0 decibels, indicates more signal than noise.)
- Bass Boost: None (Circuitry that boosts the bass response of the amplifier, improving audio reproduction enhancing the sound of low frequencies. Fixed boost means the level of bass response is preset, whereas variable boost allows the user to make adjustments.)
- Audio
- Impedance: 6 (Describes the resistance of an electric signal throughout the system. Devices with low impedance require less power to deliver optimal signals but are more at risk for damage from overloading. Higher impedance requires more power but is more protected from overload damage.)
- Inputs
- Audio Only Inputs: 1 x Phono, 1 x Optical digital audio, 1 x USB-A, 2 x Coaxial digital audio, 2 x Coaxial digital audio
- Video Only Inputs: No video only inputs (The number and type of video signal only inputs the product has.)
- Network Connector(s): 1 x 3.5mm mono in, 1 x 3.5mm mono out, 1 x LAN, 1 x RS-232
- Line-Level Inputs: true (Also referred to as low-level inputs. Enables the amplifier to receive a sound signal from another device via RCA cables.)
- Outputs
- Speaker Connection Type: Binding posts, Banana Jack/Screw Terminals
- Video Only Outputs: No video only outputs (The number and type of video signal only outputs the product has.)
- Dimensions
- Product Height: 1.6 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
- Product Width: 15.1 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
- Product Depth: 15.1 inches (The out of box depth of the item. Depth is measured as the distance from the front of the item to the back as it would be primarily used or placed.)
- Product Weight: 13 pounds (The out of box weight of the item.)
- Warranty
- Warranty - Parts: 5 years
- Warranty - Labor: 5 years
- Other
- UPC: 3663424004756
Experience exacting audio performance with this Devialet Expert 220 Pro amplifier. An ultra-configurable advanced phono stage delivers performance to satisfy the most demanding audiophiles and high thermal distortion resistance provides extremely clear audio output. This Devialet Expert 220 Pro amplifier offers compatibility with streaming audio solutions, including Apple AirPlay and Spotify Connect.
- Works with Apple AirPlay 2: Lets you play music or podcasts from wireless stereo components throughout your house - all in sync.
- 440W total power: RMS rating of 220W x 2 @ 6 ohms, 0.0005% THD, 2 channels driven for robust audio.
- 6 ohms impedance: Conducts power evenly to keep the speaker at an appropriate level.
- Works with Apple AirPlay 2: Lets you play music or podcasts from wireless stereo components throughout your house - all in sync.
- 440W total power: RMS rating of 220W x 2 @ 6 ohms, 0.0005% THD, 2 channels driven for robust audio.
- 6 ohms impedance: Conducts power evenly to keep the speaker at an appropriate level.
Whats Included
- Devialet Expert Pro 220W 2.0-Ch. Amplifier
- Owner's manual
- Remote with batteries
- Devialet Expert Pro 220W 2.0-Ch. Amplifier
- Owner's manual
- Remote with batteries
Q: Does this amplifier work with Apple devices?
A: Yes, this amplifier works with Apple AirPlay 2, allowing you to stream music or podcasts from your Apple devices.
Q: How long is the manufacturer's warranty on this amplifier?
A: This Devialet amplifier comes with a 5-year warranty for both parts and labor.
Q: What is the total power output of this Devialet amplifier?
A: This Devialet amplifier has a total power output of 440W.
Q: What is the signal-to-noise ratio of this amplifier?
A: This amplifier has a signal-to-noise ratio (SNR) of 130 decibels.
Q: What is the impedance of this amplifier?
A: This Devialet amplifier has an impedance of 6 ohms.
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A: Hello, Yes, it is worth considering. In fact, we even have our SAM technology, which is fully compatible with the Kef Blade Two speakers. Best regards,
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Reviews
Customer Images
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
- Rated 5 out of 5 stars
Great sound, ample power 0 regrets!
Amplifier is far ahead of it's time. Even in 2025. One of the best audiophile purchases I've made. Sounds amazing and highly configurable. Customer service is superb.
PhilipR Posted
- Rated 5 out of 5 stars
Best Hi-Fi All In One Product
I’ve been a Hi-Fi enthusiast for over 50 years. You cannot go wrong with Devialet if you want to reveal all the detail in your music. The dynamic reproduction will thrill you! You have the convenience of having a high resolution DAC coupled with incredible amplification. I stream all my music primarily from my NAS Server from which I have upscaled over 3000 album’s to hi-res. All you need is a good pair of speakers to complete your listening experience. Although expensive It’s worth every penny. The further up you go in the Expert Pro Series the better the sound. If you cannot justify Making this kind of investment, look to the Devialet Phantom Speakers. I own both, and you will not believe the recreation and the bass response of the Phantoms.
Barbsden Posted
