Marshall Acton BT IV Black

Key Features of the Marshall Acton BT IV Black Bluetooth Speaker

Wider Soundstage and Redesigned Bass

The tweeters and waveguides disperse the sound into a larger part of the room and promote a more distinct separation of the left and right channels. The bass component is handled by a 4" woofer. The bass-reflex port contributes to clean, powerful bass with a tighter response at higher volumes. Its design also allows the speaker to be placed closer to a wall. The Dynamic Loudness feature adjusts the tonal balance according to the volume, maintaining a consistent sound performance at different listening levels.

Bluetooth, Analogue Inputs and Controls

Bluetooth 5.3 with Auracast technology allows you to incorporate the Acton IV into a multi-speaker setup and synchronise playback between compatible devices. For wired sources, a 3.5mm AUX connector and an RCA input are available, which can also be used to connect a turntable. The control panel offers separate controls for volume, bass and treble, a power switch, media controls, source selection and a customisable M-button. The M-button can be used to access your favourite music via Spotify Tap or for a chosen sound setting. Further adjustments are offered by the Marshall app with an equaliser and calibration according to the room's acoustic conditions.