# Mission 778S Wireless Music Streamer

The Mission 778S Wireless Music Streamer brings modern streaming convenience to classic hi-fi systems, delivering high-quality wireless audio in a compact, understated design.

Built to partner perfectly with traditional amplifiers and powered speakers, it allows you to stream music effortlessly without compromising sound quality or simplicity.

Designed for music lovers who value clean signal paths and intuitive operation, the 778S supports a wide range of streaming options while maintaining the refined, musical presentation Mission is known for.

Whether you’re upgrading an existing system or adding streaming to a second setup, it offers a straightforward, high-performance solution.

**FEATURES**

-   **High-Quality Wireless Streaming:** Stream music wirelessly from your devices and popular services, bringing modern playback to classic hi-fi systems without clutter.
-   **Built-In DAC:** A carefully selected internal DAC ensures clean, detailed digital-to-analogue conversion for improved clarity and musical balance.
-   **Wi-Fi and Ethernet Connectivity:** Choose stable wired Ethernet or flexible Wi-Fi to suit your home network and installation preferences.
-   **Multiple Audio Outputs:** Flexible output options make it easy to connect to amplifiers, active speakers, or integrated hi-fi systems.
-   **Simple App Control:** Intuitive app-based control allows easy access to music services, playlists and playback settings from your smartphone or tablet.
-   **Compact, Hi-Fi Friendly Design:** Discreet styling and compact dimensions allow the 778S to blend seamlessly into both modern and traditional audio setups.

###### What You Get

-   1 x 778S Music Streamer
-   1 x Remote Control
-   1 x Power Cable
-   1 x User Manual

###### Specifications

-   **Design Philosophy and Core Technology:** ESS Sabre ES9038Q2M 32-bit DAC; RK3399 ARM® Cortex-A72 @ 2.0GHz and ARM® Cortex-A53 @ 1.5GHz; iOS / Android Mission 778S app control; powered by Silent Angel streaming technology (IEEE 802.11 a/b/g/n/ac, 2.4/5GHz); native support for Spotify Connect, TIDAL Connect, Qobuz Connect, TuneIn Internet Radio, Roon Ready and AirPlay 2; music playback from network shared storage (SMB/CIFS) and USB storage / flash drive / USB hard disk (single-partition FAT32, exFAT); 2.23” high-contrast OLED display
-   **Inputs:** 1 × PC USB (USB Type-C), 1 × Ethernet 10/100/1000Base-T; 1 × USB-A for MCU update; 2 × USB-A for USB storage
-   **Outputs:** 1 × RCA (pair) analogue outputs; 1 × balanced XLR (pair) analogue outputs; 1 × optical digital output; 1 × coaxial digital output; 2 × USB-A for USB audio out; 1 × headphone
-   **Supported File Formats:** DSD lossless: DSF (DSD), DIFF (DSD), DoP (DSD); PCM lossless: FLAC, Apple Lossless (ALAC), WAV, AIFF, APE; compressed (lossy) audio: MP3, WMA, AAC, OGG
-   **Sampling Frequency:** PCM: 44.1kHz–768kHz (705.6kHz / 768kHz fixed-point supported via app streaming); DSD: DSD64, DSD128, DSD256 (DoP), DSD512 (PC USB)

Digital Section:

-   **Digital Output Intensity:** 500 ± 50mVpp
-   **Output Impedance (Digital):** 75 ohms
-   **Frequency Response (Digital):** -0.01dB (20Hz – 20kHz, ref. 1kHz)
-   **Max. Sampling Frequency (Digital):** 192kHz / 24-bit
-   **Digital Output:** 1 × coaxial, 1 × optical, USB audio out

D to A Converter:

-   **Variable Output Voltage (0dBFS, 1kHz):** 0 – 2.05Vrms (RCA), 0 – 4.1Vrms (XLR)
-   **DAC:** ES9038Q2M
-   **Frequency Response (DAC):** ±0.5dB (20Hz – 20kHz, ref. 1kHz)
-   **Total Harmonic Distortion (DAC):** <0.001% (1kHz @ 2.05Vrms)
-   **Max. Sampling Frequency (DAC):** 768kHz / 32-bit
-   **Signal-to-Noise Ratio (A-Weighted):** >116dB (RCA), >120dB (XLR)
-   **Output Impedance (Analogue):** 120 ohm (RCA), 56 ohm (XLR)

Headphone Amplifier:

-   **Total Harmonic Distortion (THD):** <0.01% (1kHz, 50mW)
-   **Output Impedance (Headphone):** 2.35 ohm
-   **Load Impedance:** 20–600 ohm
-   **Standby Power Consumption:** <0.5W
-   **Net Weight:** 5.3kg
-   **Gross Weight:** 6.7kg
-   **Dimensions (W x H x D):** 236 × 98 × 357 mm
-   **Carton Size (W x H x D):** 396 × 190 × 445 mm
-   **Finish:** Black / Silver
-   **Power Requirements (depending on region):** 220–240V ~ 50 / 60Hz; 100–120V ~ 50 / 60Hz

Safety Regulation Conformity:

-   **Standard Accessories:** Power cord, remote control, user manual
-   **Warranty:** 3 Years

## Details

- **Price:** 799.95 GBP
- **Vendor:** Mission
- **Type:** Music Streamers

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Black | 799.95 GBP | In stock |
| Silver | 799.95 GBP | In stock |

## Images

- Mission 778S Wireless Music Streamer - K&B Audio
- Mission 778S Wireless Music Streamer - K&B Audio
- Mission 778S Wireless Music Streamer - K&B Audio
- Mission 778S Wireless Music Streamer - K&B Audio
- Mission 778S Wireless Music Streamer - K&B Audio
- Mission 778S Wireless Music Streamer - K&B Audio
- Mission 778S Wireless Music Streamer - K&B Audio
- Mission 778S Wireless Music Streamer - K&B Audio

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> Source: [K&B Audio](https://www.kbaudio.co.uk/products/mission-778s-wireless-music-streamer)
> Updated: 2026-07-27