The B-BA15 is the Eko Guitars bass combo amplifier delivering 15W RMS of power through an 8" speaker. It features a bass input, volume, bass, middle, and treble controls, an aux input, and a headphone output.

B-BA15 by Eko Guitars specifications

Output Power: 15W RMS
Speaker: 8" speaker
Inputs: 1x jack input, aux IN
Outputs: Phones out
Controls: volume, bass, middle, treble
Dimensions: (W) 335 x (H) 280 x (D) 180 mm
Power Consumption: 19W