PSB iQ1 is a 2-way Powered Bass Reflex Bookshelf speaker by PSB. It was released in August 2026. iQ1's built-in amplifier provides 270-watt RMS. The built-in power amplifier saves space & eliminates the need to connect PSB iQ1 to a stereo receiver or external power amp. It features a 0.75" Hard-Dome Tweeter and 1 x 4" Polypropylene Woofer.
The wired iQ1: the two speakers are joined by a stereo cable, which PSB says keeps the channels in sync. Same 100 mm polypropylene mid-bass driver and 19 mm aluminium dome tweeter as the Alpha iQ, on a new Burr Brown Class-D amplifier platform that raises total system power from 180 to 270 watts. Two vinyl finishes.
The speaker has a frequency range of 64-20k Hz. PSB iQ1 has an MSRP of 999$ per pair.
PSB's iQ Series of Loudspeakers
iQ1 is a member of PSB's iQ series of Powered speakers. Below you can see the main specs of these speakers.
PSB iQ Series Speakers
|
Model |
Frequency |
Watts RMS | Max Depth / Sample Rate | Woofer |
 |
PSB iQ1
|
64-20k Hz |
270-watt | 24-bit/192 kHz | 1 x 4" |
 |
PSB iQ2
Compare
|
64-20k Hz |
270-watt | 24-bit/192 kHz | 1 x 4" |
Frequency Response of the PSB iQ1 Speaker
PSB iQ1 has a Frequency response range of 64-20k Hz. With a minimum frequency of 64 Hz, it is hard to expect a strong bass response from iQ1 so depending on your use case, using a subwoofer will significantly help to widen the response range.
Here we have a comparison of how iQ1's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Bookshelf Speakers
Thinking about a subwoofer for the PSB iQ1?
Bluetooth Connectivity
PSB iQ1 employs Built-in Bluetooth for wireless music streaming from your Bluetooth-enabled devices such as Apple iPod/iPhone/iPad, Android smartphone/tablet, Windows PC, Mac computers/laptops. iQ1 can playback up to 24-bit / 192 kHz with compatible devices.
Supported Streaming Services
PSB iQ1 supports the following Streaming Services:
- BluOS
- with 20+ services including Amazon Music
- Qobuz
- TIDAL
- Deezer
- SiriusXM and TuneIn
Supported Wireless Streaming System
PSB iQ1 supports the following wireless streaming methods:
- Apple AirPlay 2
- Spotify Connect
- TIDAL Connect
- Qobuz Connect
- Bluetooth aptX Adaptive
Inputs and Outputs
- USB Port:
- Phono Input
- Wired Subwoofer Output
- Digital Input:
- HDMI Input: eARC
- Headphone Jack:
- Ethernet Port
PSB iQ1 External Dimensions and Weight
PSB iQ1 has external dimensions of (Height x Width x Depth) 9.7 x 5.7 x 7.6 inch (246.0 x 145.0 x 192.0mm ).
Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base area of PSB iQ1 is approximately 278.4cm2 / 43.2inch2.
Find speakers that fit your shelf or alcove → · Work out where they should sit in the room →
WeightThe PSB iQ1 weighs 7.36kg / 16.2lbs per piece. Here is a comparison of how iQ1's weight compares with the average, max and min weights in its class.
Weight
All Bookshelf Speakers
Weight
Bookshelf Speakers under $1,000
Cabinet type and Materials
PSB iQ1 has a
Bass Reflex type cabinet. Bass Reflex type loudspeakers (aka Ported, Vented or Reflex Port) have enclosures that uses a port, hole or vent cut into the cabinet. Ported designs are generally more efficient than the Sealed designs.
Available colors
PSB iQ1 is available in Black and White.
Wall Mounting
iQ1 doesn't sport any built-in mounting bracket, so you need an external structure to mount it on walls.
Recommended Accessories
Here is a list of accessories that we think you may need for the PSB iQ1.
- Vibration Isolators: IsoAcoustics isolators are our favorite isolators but you may find more affordable options too.
- Acoustic Panels and Treatments: Your room is as important as your stereo equipment so acoustic treatments goes a long way in improving the overall performance.
- Speaker Stands: Stands bring your bookshelf speakers to ideal height (rule of thumb is to have the tweeter level with your ear in your listening position), helps stability and acoustical isolation.
Warranty
1 Year of parts warranty and 1 Year of labor warranty is generally provided by the manufacturer.