Mission 778X: British Heritage With a Modern Digital Heart
The Mission 778X is an integrated amplifier, which means it combines a preamplifier and power amplifier in a single chassis and needs a pair of passive loudspeakers to make music. What sets it apart within the wider Mission story is that it does far more than drive speakers. It is a genuine hub for a modern listening room, built with Audiolab engineering expertise and finished with the understated confidence you expect from a brand founded in 1977.
Rated at 2 x 45W into 8 ohms and 2 x 45W rising to 2 x 65W into 4 ohms, the 778X is designed to deliver clean, controlled power into real world loudspeaker loads. With THD under 0.005 percent and a signal to noise ratio over 108dB, it aims for a low noise, low distortion presentation that lets the character of your speakers and recordings come through.
Design and Technology
A Built-In ESS Sabre DAC
At the core of the 778X digital section is an ESS Sabre32 ES9018K2M converter. This handles PCM up to 384kHz over its PC USB input and supports DSD64, DSD128 and DSD256. That gives you a lot of headroom for high resolution files and streaming without needing to add an outboard converter. The 778X also offers coaxial and two optical inputs, so you can connect a television, a games console or any digital source you already own.
Bluetooth, Analog and Vinyl
The 778X includes Bluetooth 5.0 with aptX and AAC support for wireless listening from a phone or tablet. For analog sources there are two AUX RCA inputs, and importantly a moving magnet (MM) phono stage, so a turntable fitted with an MM cartridge can plug straight in without a separate phono preamp. This makes the 778X a natural single box solution for someone blending vinyl, digital files and streaming in one place.
Headphone Amplifier
A dedicated headphone amplifier is on board and is specified to drive loads from 20 to 600 ohms. That range covers everything from easy to drive portable headphones to more demanding high impedance studio designs, making the 778X a comfortable late night companion.
Connectivity for Growth
Outputs include coaxial, optical and an RCA pre-out. The pre-out is useful if you later want to add a power amplifier or a powered subwoofer, giving the 778X a path to grow with your system.
Sound and Performance Character
The 778X is voiced to be revealing but not fatiguing. The low distortion figures and quiet noise floor mean quiet passages stay clean while dynamic swings arrive with authority appropriate to its power rating. It is the kind of amplifier that rewards good source material and lets you hear the difference between recordings. Paired with efficient, well matched speakers it presents music with clarity and a sense of order, which suits both critical listening and long relaxed sessions.
Where the 778X Sits in the 778 Family
Mission designed the 778 electronics as a coherent system. The 778X is the integrated amplifier and the only one of the trio with a built-in DAC. That distinction matters when you plan your setup:
- The Mission 778S Network Music Streamer adds network streaming. A streamer needs an amplifier to be heard, so it pairs naturally with the 778X, which can accept and convert its output.
- The Mission 778CDT CD Transport plays discs but has no internal DAC of its own. It relies on a converter such as the one built into the 778X, making the two an elegant match for a physical disc collection.
Because the 778X already contains the DAC, it acts as the digital anchor for these matching sources rather than duplicating their functions.
Speaker Pairing Thoughts
Since the 778X needs passive loudspeakers, the natural place to begin is within the Mission family. The Mission 750 Bookshelf Loudspeakers make a compact and tidy partner for smaller rooms and desktop or shelf placement. The Mission 700 Loudspeakers step things up for a fuller room filling presentation. For those drawn to Mission heritage, the Mission 770 Classic Loudspeakers, a Made in Britain reissue of the 1980 original, offer that classic voicing and pair beautifully with the 778X for a coherent all Mission system.
All of these Mission speakers use the signature Inverted Driver Geometry, placing the soft dome tweeter below the mineral loaded polypropylene mid-bass driver for improved time alignment at the listening position. To connect them, consider quality cable such as the Audioquest Rocket 22 in the full range configuration, or the Audioquest Rocket 22 in the biwire configuration if your chosen speakers offer biwire terminals.
Ideal System and Use Case
The 778X is ideal for the listener who wants one well made box to handle streaming over Bluetooth, digital sources by cable, a turntable and headphones, all while driving a proper pair of passive speakers. It suits a focused living room or study system where simplicity, build quality and versatility matter. If you prefer to keep functions separate, you might contrast the 778X approach with other integrated amplifiers AEA carries such as the Audiolab 6000A MKII, the Yamaha A-S801, the Advance Paris X-i75 Classic or the LEAK Stereo 130. Each has its own design goals and feature set, so the right choice comes down to how you like to listen and which inputs you value most. If a self contained active option appeals instead, the Cambridge Audio L/R S active stereo speakers take a different route entirely with amplification built into the speakers.
Finishes and Dimensions
The 778X is offered in black or silver to suit your setting. It measures 9.29 x 3.86 x 14.99 inches and weighs 13.89 pounds, a compact footprint that fits comfortably on most racks and shelves.
Frequently Asked Questions
Where does the Mission 778X sit in the range?
Mission designed the 778 electronics as a coherent system. The 778X is the integrated amplifier and the only one of the trio with a built-in DAC.
What speakers pair well with the Mission 778X?
Since the 778X needs passive loudspeakers, the natural place to begin is within the Mission family. The Mission 750 Bookshelf Loudspeakers make a compact and tidy partner for smaller rooms and desktop or shelf placement. The Mission 700 Loudspeakers step things up for a fuller room filling presentation.
Who is the Mission 778X best suited to?
The 778X is ideal for the listener who wants one well made box to handle streaming over Bluetooth, digital sources by cable, a turntable and headphones, all while driving a proper pair of passive speakers. It suits a focused living room or study system where simplicity, build quality and versatility matter.
Come and Listen
All Elite Audio is an authorized Mission dealer with a showroom in Timonium, Maryland. Demo units rotate and not every model is always set up, so we encourage you to contact AEA to arrange a listen to the Mission 778X and its matching sources and speakers before you decide.