Q Acoustics Concept 50 is a 2-way Passive Bass Reflex Floor-standing speaker by Q Acoustics. It was released in 2021. It features a 1" Dome Tweeter and 2 x 5" Paper composite Woofer.
The floorstanding Concept: two 125 mm bass drivers in a Gelcore cabinet with point-to-point bracing. Width is measured across the stabiliser feet; the cabinet itself is 180 mm.
The speaker has a frequency range of 42-30k Hz and a sensitivity of 90.5 dB. Q Acoustics Concept 50 has an MSRP of 1999$ per pair.
Room Size Suitability
The size of the room where you plan to use the Q Acoustics Concept 50 is a crucial factor in your decision. We have assessed its suitability for various room sizes based on its dimensions and maximum power output:
| Listening Environment* |
Suitability |
| Near-field | Bad |
| Small Room | Poor |
| Mid-size Room | Average |
| Large Room | Good |
| Very Large Room | Average |
(* Approximate Room sizes: Small < 100sq. ft / 9 m2, Mid-size: 100-220 sq. ft / 9-20 m2, Large 220-400 sq. ft / 20-36 m2, Very Large: > 400 sq. ft / 36 m2.
Average Floor Height: 9" / 2.7m. Typical room sizes differ from country to country, and the actual listening experience changes depending on floor height, room shape, surface materials, listening position, speaker locations, etc.)
Q Acoustics's Concept Series of Loudspeakers
Concept 50 is a member of Q Acoustics's Concept series of Passive speakers. Below you can see the main specs of these speakers.
See all 6 Q Acoustics Concept models compared »
Q Acoustics Concept Series Speakers
Frequency Response of the Q Acoustics Concept 50 Speaker
Q Acoustics Concept 50 has a Frequency response range of 42-30k Hz and Power Range of 25-150 watts. With a minimum frequency of 42 Hz, Concept 50 delivers deep bass that will likely satisfy most listeners, especially those who enjoy music. However, movie enthusiasts and music fans who prefer a full range of sound may still benefit from adding a subwoofer.
Here we have a comparison of how Concept 50's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Floor-standing Speakers
Thinking about a subwoofer for the Q Acoustics Concept 50?
Among the speakers in our database with a max MSRP price of 2000$ (Pair), these are the 5 Passive Floor-standing speakers that have the deeper bass levels than the Q Acoustics Concept 50's 42Hz:
Crossover frequency of the Q Acoustics Concept 50?
The crossover frequency of the Concept 50 is set to 2100Hz. This is the threshold frequency where the higher frequency signals over this level are sent to the tweeter and the lower-frequency signals are sent to the woofer by the crossover component.
Impedance and Sensitivity
Q Acoustics Concept 50's nominal impedance level is
6 ohms but can go down to as low as
3.6 ohms, and has a sensitivity of
90.5 dB.
Sensitivity
Floor-standing Speakers
Nominal Impedance of the 6 Ohms makes the Q Acoustics Concept 50 a relatively difficult to drive speaker compared to more frequently found 8 ohms speakers from nominal Impedance perspective.
Sensitivity
91dB of the Q Acoustics Concept 50 is considered a high sensitivity compared to average stereo speaker which makes Concept 50 an easy to drive from Sensitivity perspective. If you are planning to power your speaker with a Tube amp which are generally very low power, the Q Acoustics Concept 50 will be a good choice. Work out how loud the Q Acoustics Concept 50 plays in your room →
Running more than one pair from a single amplifier? Check the load it would present →
Minimum Impedance of the Q Acoustics Concept 50
Even though the nominal impedance of the Concept 50 is 6 ohms, the minimum impedance level of this speaker according to Q Acoustics is 3.6 ohms Q Acoustics Concept 50 so while choosing an amplifier, you should ideally check if the unit you are considering can provide this impedance level.
What amplifier does the Q Acoustics Concept 50 need?
At normal listening levels in a medium room, about
8.0–125 W
per channel into 6 ohms.
Set your own conditions and we will rank every amplifier we cover.
Prefer to browse? Integrated amplifiers under $2,000, or every amplifier we cover.
Input Type
Concept 50 has Binding post type connectors and lets bi-amping/bi-wiring. Bi-wiring can enhance the overall transparency of your loudspeakers by using separate speaker wires for the low and high-frequency drivers from a single amplifier. Bi-amping, on the other hand, involves using separate amplifiers for the high and low-frequency drivers, potentially resulting in a greater dynamic range and reduced distortion.
Work out what gauge speaker cable this run needs →
Q Acoustics Concept 50 External Dimensions and Weight
Q Acoustics Concept 50 has external dimensions of (Height x Width x Depth) 40-3/8 x 16-7/16 x 12-9/16inch (1025.0 x 418.0 x 319.0mm ).
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 Q Acoustics Concept 50 is approximately 1333.4cm2 / 206.7inch2.
Find speakers that fit your shelf or alcove → · Work out where they should sit in the room →
WeightThe Q Acoustics Concept 50 weighs 22.90kg / 50.4lbs per piece. Here is a comparison of how Concept 50's weight compares with the average, max and min weights in its class.
Weight
All Floor-standing Speakers
Weight
Floor-standing Speakers under $2000
Cabinet type and Materials
Q Acoustics Concept 50 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.
Port Position
Q Acoustics Concept 50 is a rear-firing port speaker so you have to make sure you leave enough space between the back of the speaker and wall or bookshelf so that it has room to breathe.
Does the Q Acoustics Concept 50 come with a Grille?
Concept 50 comes with grilles. The purpose of the grille is to protect the delicate driver elements from external impacts while still allowing the sound to pass as clearly as possible.
Recommended Accessories
Here is a list of accessories that we think you may need for the Q Acoustics Concept 50.
Official Product Page
Official manufacturer's product page for the Q Acoustics Concept 50 speaker can be found below:
Official Product Page for Q Acoustics Concept 50
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.