FREQUENCY RANGE: 45–20,000 Hz
ADJUSTABLE BASS AND TREBLE CONTROLS: Fine-tune your music using the analogue controls on your speaker
STEREO/MONO: Stereo
MAXIMUM SOUND PRESSURE LEVEL: 98 dB @ 1 m
CABINET PRINCIPLE: Bass-reflex
POWER AMPLIFIERS: One 30 Watt Class D amplifier for the woofer, Two 15 Watt Class D amplifiers for the tweeters
WIRED CONNECTIVITY: 3.5 mm input
WIRELESS CONNECTIVITY: Bluetooth 5.2
CONTROLS AND CONNECTIVITY
TOP PANEL CONTROLS: Source button, Volume control knob, Bass control knob, Treble control knob, Play/Pause button, Skip backward/forward control knob, Power lever
PHYSICAL UNIT
DIMENSIONS: 260 x 170 x 150 mm
WEIGHT: 2.85 kg
More info: https://www.marshallheadphones.com/gb/en/acton-iii.html