Blackstar Unity Bass 250

The Blackstar Unity Bass 250 is a 250‑Watt all-analog bass combo amplifier designed for professional bass players seeking clarity, punch, and tonal versatility. Featuring two independent channels with separate EQs, a high-efficiency speaker system, and robust analogue circuitry, the Unity Bass 250 delivers tight low-end response and articulate midrange suitable for live performance, rehearsal, and recording. Its rugged construction and advanced connectivity make it a reliable solution for bass amplification in any setting.

Key Features

• Amplifier Type: Bass Combo Amplifier

• Output Power: 250 W RMS

• Channels: 2 Independent Channels (Clean & Drive)

• Speaker Configuration: 1 × 12″ custom bass speaker + horn tweeter

• EQ Controls:

  • Channel 1: Bass, Mid, Treble

  • Channel 2: Bass, Mid, Treble

• Gain Control: Separate gain for each channel

• Effects Loop: Send / Return for external effects

• Inputs:

  • 1 × 1/4″ Bass Input (Channel 1)

  • 1 × 1/4″ Bass Input (Channel 2)

• Outputs:

  • Line Out / DI XLR

  • Headphone / Speaker Emulated Output

• Tone Shaping: Active EQ for detailed control

• Construction: Rugged ported cabinet with metal grille

• Dimensions: 520 × 460 × 250 mm

• Weight: Approx. 21 kg

• Applications: Live performance, studio recording, rehearsal, professional bass amplification