Musical Fidelity V90-AMP

Compact and versatile.  20wpc of very capable audiophile grade sound.  Performs well beyond its price point. I have the original box, packaging, accessories, and owner's manual.  Discontinued but still supported.
From their website:

The V90-AMP is truly an amplifier for the modern world. Offering both USB and traditional inputs it delivers a big sound from a small, discreet unit that fits in easily with any room decor.

Auto selection of inputs and simple, combined connections make the V90-AMP suitable for a wide range of input sources such as computers, streaming audio devices and more traditional sources.

Music lovers will delight in the V90-AMP’s ability to deliver wonderful music in any location - be it in an office, study, bedroom or living room.

• Power: 20W /channel into 8 Ohms (Suitable for speakers 6 ohms minimum)
• THD: <0.1% typical 'A' weighted
• Signal/noise ratio: >85dB 'A' weighted
• Input impedance: 47KΩ
• Frequency response: +0, -3dB 10Hz to 20 kHz

Connectivity

• Line level input: 1x stereo 3.5mm "jack" connector
• Optical input: 1x optical 3.5mm "jack" combined with line level input above
• USB input: 1x Type "B" asynchronous, 16-24 bits, up to 48kHz sample rate
• Speaker outputs: 2 pairs spring loaded speaker terminals
• DC output (for future MF product only)
• Power input: 3-way "Cloverleaf" mains power socket

General

• Power requirement: 90-250Vac universal mains
• Dimensions: Length 117mm / 4⅔" (including terminals and volume contro)l
• Width: 170mm / 6⅔"
• Height: 47mm / 1⅔" including feet
• Weight: Unit alone 710g / 1⅔lbs, packed in carton 1.38Kg / 3lbs