The difference between active and passive speakers is straightforward: active speakers contain their own amplification, while passive speakers need an external amplifier. That one distinction has a large effect on how the rest of the system is built.
Passive speakers
A passive speaker receives an already-amplified signal through speaker cable. The amplifier handles source selection and volume control, while a passive crossover inside the speaker divides the signal between the drivers.
The main advantage is flexibility. You can choose the amplifier separately, upgrade it later and keep the speakers unchanged. Our bookshelf and floorstanding speaker ranges include conventional passive designs for this reason.
Active speakers
An active speaker contains one or more power amplifiers inside the cabinet. In a fully active design, the audio signal is divided before power amplification, allowing a dedicated amplifier channel to drive each section of the speaker.
This lets the designer match amplifier behaviour closely to the drivers and can remove some compromises associated with a passive crossover. It also reduces the number of separate boxes in the room.
Powered and active are not always the same
The terms are often used interchangeably, but technically a powered speaker can contain a single amplifier feeding a conventional passive crossover. A true active speaker normally divides the signal before the power amplifiers. In everyday shopping, check the specification rather than relying only on the label.
Which is simpler?
Active speakers can be simpler because you do not need to choose a separate power amplifier. Wireless active models go further by adding streaming, Bluetooth and television inputs. The B2W, for example, combines source connectivity and amplification in the speaker system itself.
Which is more flexible?
Passive systems generally win here. If you want to change from a solid-state amplifier to a valve amplifier, add more power or experiment with different electronics, passive speakers make that easy.
Which should you buy?
Choose active speakers when you want fewer boxes, predictable amplifier matching and a compact system. Choose passive speakers when long-term upgrade flexibility and the ability to select your own amplifier matter more.