Stereo Bluetooth Vacuum Tube Audio System

Hear Amazing Sound
Music lovers looking for a compact music system with Bluetooth streaming and high performance sound need to discover the SōLIS SO-7500. The Vacuum Tube/Solid State hybrid amplifier and companion speakers are perfectly matched for truly amazing sound. You won't believe your ears when you hear the quantity and quality of music coming out of this petite system.

The SO-7500 has everything you need to enjoy big component-system performance in a compact package. The classic high gloss black cabinet finish is accented with two preamp vacuum tubes. Each two–way bass reflex speaker takes up less than 6” of shelf space, yet will startle you with their life like clarity and room-filling sound.

The SO-7500 includes Bluetooth for wireless streaming from your phone or Bluetooth device, and two auxiliary inputs for connecting other wired devices - great for listeners who have multiple music sources. The unit delivers 2 x 12W (RMS) and operates on 120V AC power.

Leave no note unheard with the SōLIS SO-7500


Available at:


  • Vacuum tube audio circuit for richer, more lifelike sound
  • High performance two-way loudspeakers
  • Stream music wirelessly using Bluetooth
  • Auxiliary input jack for connecting your iPod, MP3 or other sources with analog outputs

  • Wireless: Bluetooth - v4.0 with aptX™ for high fidelity audio streaming
  • Inputs: 2 x Auxiliary input jacks (RCA)
  • System frequency response: 20Hz ~ 20kHz
  • 2 x 12AX7 vacuum tubes – 5000-hour life rating
  • Toroid transformer power supply
  • Power output: 2 x 12W RMS
  • Amplifier output impedance: 4 Ohms ~ 8 Ohms
  • HiFi 2-way bass reflex stereo speaker system
    • One 3.5-inch polymer woofer
    • One 1.25-inch soft dome tweeter
    • Removable fabric grille
    • 6-Ohms nominal impedance
  • Supplied accessories:
    • Two 6’ speaker cables pre-terminated with banana plugs
    • One 6’ stereo line-level RCA cable
    • One grounded power cable
    • Two cotton gloves
    • One soft brush
  • Dimensions:
    • Amplifier – 5.12” H x 9” W x 7.28” D
    • Speakers – 8.27” H x 7.28” W x 5.12” D


Specifications subject to change

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The matching speakers feature a 3.5-inch polymer cone woofer in a bass reflex (ported) enclosure for surprising bass impact from speakers that take up so little shelf space (less 6 inches each). A 1.25-inch soft dome polymer tweeter provides the overtones necessary for perfectly recreating the timbre of instruments and voices. You won't believe your ears when you hear the quality of music coming out of this space-efficient, stylish system.

Timeless Style

The SO-7500 amplifier’s high gloss finish, chrome highlights and warmly glowing tubes evoke the golden era of audio. The speakers’ black piano finish matches the amplifier for stunning good looks that will grace any room.

Get Connected

With the SO-7500 you can conveniently access all the music on your smart phone as well as music streaming services (such as Spotify and Pandora), and podcasts via Bluetooth connectivity.


Built-in Bluetooth 4.0 with aptX™ allows wireless streaming of high quality audio from Bluetooth devices as far as 33 feet* away.

* Range is dependent on number and materials of obstructing walls.

We haven't forgotten your wired music sources; two auxiliary inputs enable you to connect legacy sources such as CD players, digital music players, or turntables.**

** Use a turntable equipped with built-in phono preamplifier or a ceramic phono cartridge.


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