Active vs Passive Woofer | Types of Subwoofer | Which Subwoofer to Buy?
Updated: Oct 9, 2021
Home Theater Setups are super exciting, and the entire process of planning to execution is very overwhelming due to a high number of components and devices Interconnecting them together to make the systems easier to use and enjoy.
One of the most common questions, feedback, or comparison you will come across while planning for home theater system purchase is whether to buy active or passive woofers? What are the various types of woofers? And why woofers are important in the home theater system? A minimum number of woofers for a home theater room?
Well, if any of these are your questions too, then this article will help you choose between active and passive woofers. It will also help you understand the number of woofers required for a desirable home cinema experience. And lastly, where should you use passive woofers, and in which case to use active woofers!
The difference between passive and active subwoofers is that a passive subwoofer depends on an external amplifier, while an active subwoofer contains a built-in amplifier. The passive subwoofer is usually smaller and less bulky than the active subwoofer, although it produces a less intense sound.
Active Woofer –
This type of sub is a self-contained speaker and amplifier. The speaker and amplifier are matched for optimal performance and both are housed in the same enclosure. This takes a lot of the power load away from the A/V receiver and allows the receiver or amplifiers to just power the mid-range and tweeter speakers.
Passive Woofer –
Passive subwoofers are called passive because they need to be powered by an external amplifier or Audio/Video (A/V) receiver. This is similar to traditional speakers. The important thing to remember about a passive sub is that since the sub needs more power to reproduce low-frequency sounds, the amplifier or A/V receiver needs to be able to send enough power to sustain bass effects reproduced by the sub without draining the power supply in the A/V receiver or amplifier.
Based on the room size you have to choose the driver, the quantity of woofer, etc. if you want the best output from the woofer tries to spend any amount on two woofers. If you’re buying, multiple wooers then try to buy quantity in even numbers.
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