"Booming bass" refers to a deep and powerful sound produced by low-frequency tones or music. It often describes strong and resonating bass notes that you can feel vibrating or pulsating. Full definition
At times, yes, but in the age of booming bass, that's almost a welcome anomaly. (pcmag.com)
The track did, however, come through with booming bass and drums. (tomsguide.com)
The sound is loud enough from a tablet of this size, just don't expect booming bass unless you've got a decent pair of cans plugged into the headphone jack. (pocket-lint.com)