Active speakers (also known as “amplified”) Does not require a separate amplifier or receiver. Instead, they have built-in amplification (which is what makes the sound loud enough to play through the speakers). These amplifiers are often customized for their specific drivers and cabinets, which can provide performance benefits. Modern powered speakers also have other advantages, such as completely wireless designs (apart from power cables) and wireless support for source devices via Wi-Fi or Bluetooth. Typically, they will provide physical connections for CD players, turntables, subwoofers, and televisions.
Passive speakers They are wired speakers that require a separate amplifier or receiver and speaker cables for playback. This creates more steps, as you’ll need to find an amplifier with the corresponding power specifications (more on this below). The benefit is that passive speakers are more versatile and reliable, allowing you to mix and match them in multiple systems and configurations. When treated properly, passive speakers can last for decades.
Impedance is a specification measured in ohms that refers to a speaker’s resistance to the flow of electrical current. The nominal impedance of most passive speakers (essentially the average impedance) is 4, 6, or 8 ohms; The lower the number, the lower the resistance to electric current. You can think of it like plumbing pipes: the wider the pipe, the less resistance to pressure and the more flow or electrical current you will need. The result is that 4 ohm speakers are the most difficult to drive and require the most power. There’s a lot of talk about impedance in audiophile circles, but most good amplifiers and receivers are rated for 8 and 4 ohm speakers, with appropriate power ratings to match. For 6 ohm speakers, you’ll generally want an amplifier with a nominal impedance of 6 ohms or 4 ohms and enough power to meet the speaker’s requirements (available in the manual or on the website).
Speaker power requirements: Passive speakers include specifications for their minimum and maximum power requirements, measured in watts. Without delving too deeply into amplification types and power efficiency, a good rule of thumb is to choose an amplifier with a power rating per channel that is close to your speaker’s power requirements for its rated impedance. If you’re having trouble finding the right combination, you’ll generally want an amplifier that meets your speaker’s minimum power requirements for its rated impedance.
Tethered connection options: Most modern amplifiers and active speakers offer multiple wired connections, such as analog input (RCA or 3.5mm), digital optical input for CD players or televisions, and a subwoofer output for connecting an active subwoofer. Many new systems also connect to TVs via HDMI ARC, allowing you to control basics like power and volume with your TV’s remote. They may also offer a phono input for turntables, although many of our favorite turntables come with a built-in phono preamp (or you can buy one). separate phono preamplifier as necessary).
Wireless connection options: Almost all active speakers (and many modern amplifiers) are Bluetooth compatible. Wi-Fi connectivity is also increasingly standard for accessing services like Spotify Connect, Tidal Connect, AirPlay, and Google Cast. Wi-Fi is generally preferred over Bluetooth for its improved sound quality and conveniences like uninterrupted streaming and extended wireless range.
