Mission 778X Amplifier + Wharfedale Diamond 12.3 Floorstanding Speakers

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Yes, we will try our best to price match for you - but as a small independent company, we can't always guarantee it. Please submit a price match request here. We will price match where possible provided that the competitor is a like for like UK VAT registered company, they must be an authorised retailer, the product must be in stock and not on clearance.

Mission | SKU: KB00841

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£1,049.00

Amplifier Colour

Black Silver

Speaker Colour

Black Oak Walnut Pearl Light Oak

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Description

The Mission 778X blends vintage aesthetics with modern audio performance, delivering 65W of powerful, refined sound in a compact, retro-inspired design. Ideal for both vinyl lovers and digital streamers, it features Bluetooth, RCA line, coaxial, and digital inputs. Its integrated phono stage is optimized for MM cartridges, providing precise sound without the need for an external pre-amp.

Experience enhanced precision and musicality with the Wharfedale Diamond 12.3 floorstanding speakers, the more compact option from the DIAMOND 12 series. This speaker maintains the same accuracy and refinement as its standmount counterparts, making it a perfect, affordable choice for 2-channel hi-fi systems or as part of a high-quality home theatre setup.

Mission 778X 65W Integrated Amplifier with Phono & Bluetooth

The Mission 778X is phono-ready with a JFET-based phono stage that provides precise RIAA equalisation, optimized for MM cartridges, so no extra pre-amp is needed. It features RCA line, digital, and coax connections, alongside a Bluetooth receiver with aptX/AAC for CD-level audio streaming from smart devices, offering both convenience and high-quality sound.

This amplifier is equipped with a high-performance ESS ES9018K2M Reference chip, utilizing ESS Technology’s 32-bit HyperStream architecture and Time Domain Jitter Eliminator. This allows for ultra-low noise digital audio file compatibility, with sampling rates up to 384kHz (PCM) and DSD256.

The headphone stage matches the performance of standalone headphone amplifiers, delivering dynamic, detailed sound thanks to its high slew rate design. All around, the 778X provides engaging and refined performance, catering to modern music enthusiasts while honoring Mission’s rich heritage.

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Wharfedale Diamond 12.3 Floorstanding Speakers (Pair)

The more compact of the Wharfedale DIAMOND 12 series floorstanding options, the DIAMOND 12.3 loses none of the accuracy and musicality of the standmount (bookshelf) options. With enhanced presence and power, the DIAMOND 12.3 is refined and the perfect, affordable floorstanding speaker for 2-channel hi-fi systems, or as the front pair of a seriously impressive home theatre system.

Configured in a 2.5 way system with exception crossover technology, the DIAMOND 12.3 utilises dual 130mm (5”) Klarity^TM drivers for impactful yet refined mid-range and bass frequencies, while the 25mm (1”) dome tweeter delivers open and smoothly extended high frequencies.

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Specifications

AMPLIFIER

Model: 778X
General Description: Digital-to-Analogue Converter, Stereo Amplifier
Integrated Amplifier: (45 watts @8 ohms, 65 watts @4 ohms)
Reference Chip: ESS Sabre32 ES9018K2M Reference Chip
Ultra-low Noise: Digital Audio File Compability (384kHz PCM, DSD256)
Bluetooth: 5.0 (aptX / AAC) Support
Phono Stage: Dedicated High-performance, Low-noise MM Phono Stage
Headphone AMP: With High-speed Output Signal Transition
Large Tractile Controls: With LED Level Indicators
Inputs: 1 x Coaxial, 2 x Toslink Optical, 1 x PC USB, 1 x Bluetooth (aptX/AAC), 2 x AUX,1 x RCA (Phono MM)
Outputs: 1 x Coaxial, 1 x Toslink Optical, 1 x RCA (PRE Out)
Sampling Frequency: Optical / Coaxial: 44.1kHz-192kHz; PC USB: 44.1kHz-384kHz(PCM) / DSD64, DSD128, DSD256
Preamplifier Section: Gain (max.) +0dB (Line), +47dB (Phono MM)
Input Impedance: 10K (AUX); 47K//100pF (Phono MM)
Frequency Response (ref. 1kHz): 20Hz-20kHz (±0.1dB)
PRE Output Level: 2.1Vrms (max.)
PRE Output SNR: >110dB (A-weighted)
DAC -D to A Converter: ESS Sabre32 ES9018K2M
Resolution: 32-bit
Max. Sampling Frequency: Optical/Coaxial: 192kHz; / USB: PCM 384kHz / 11.2896MHz (DSD256)
Total Harmonic Distortion (THD): <0.001% (1KHz @ 0dBFS)
Output level (0dBFS, 1KHz): 2.1Vrms
Power Amplifier Section -Gain/+31dB
Rated Power Output: 2x45W(@8ohms); 2 x 65W (@ 4 ohms)
Frequency Response (ref. 1kHz): 20Hz-20KHz (± 0.5dB)
Total Harmonic Distortion (THD): <0.005% (30W / 8 ohms)
Standby Power Consumption: <0.5W
Headphone Amplifier-Output Impedance: 4.7 ohms
Load impedance: 20-600 ohms
Dimensions (mm) (W x H x D): 236x98x380.6
Net Weight: 6.3kg
Finish: Black / Silver

SPEAKERS

General Description: 2.5-way ﬂoorstanding speaker
Enclosure Type: bass reﬂex
Bass Driver: 5"(130mm) advanced PP Cone
Midrange Driver: 5"(130mm) advanced PP Cone
Treble Driver: 1"(25mm) Textile Dome
AV Shield: No
Sensitivity(2.83V @ 1m): 89dB
Recommended Ampliﬁer Power: 30-150W
Peak SPL: 102dB
Nominal Impedance: 8Ω Compatible
Minimum Impedance: 5Ω
Frequency Response(+/-3dB): 45Hz ~ 20kHz
Bass Extension(-6dB): 40Hz
Crossover Frequency: 2.2kHz
Cabinet Volume (in litres): 26.6L
Dimensions (H x W x D): (925+50) x 180 x (320+28) mm
Net Weight: 19.5kg/pcs
Warranty: 1 Year

What You Get

AMPLIFIER

1 x Mission 778X Integrated Amplifier
1 x Power Cable
1 x Remote Control
1 x Antenna
1 x User Manual

SPEAKERS

2 x 12.3 Floorstanding Speakers
1 x User manual

Payment & Security

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1 Year Warranty + 60 Day Returns

K&B Audio are authorised retailers for Mission. Your purchase comes with a 1 Year warranty, expert help on hand and you get 60 day returns window in case you're not 100% happy with the product.

Frequently Asked Questions

Do you price match?

Yes, we will try our best to price match for you - but as a small independent company, we can't always guarantee it.

Please submit a price match request here.

We will price match where possible provided that the competitor is a like for like UK VAT registered company, they must be an authorised retailer, the product must be in stock and not on clearance.

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