JBL Studio 620 is a 2-way Passive Bass Reflex Bookshelf speaker by JBL. It features a 1" High Frequency Compression Tweeter and 1 x 5.25" PolyPlas Woofer. The speaker has a frequency range of 50-40k Hz and a sensitivity of 84 dB.
Room Size Suitability
The size of the room where you plan to use the JBL Studio 620 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 | Average |
| Small Room | Good |
| Mid-size Room | Average |
| Large Room | Poor |
| Very Large Room | Bad |
(* 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.)
JBL's Studio Series of Loudspeakers
Studio 620 is a member of JBL's Studio series of Passive speakers. Below you can see the main specs of these speakers.
JBL Studio Series Speakers
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Frequency Response of the JBL Studio 620 Speaker
JBL Studio 620 has a Frequency response range of 50-40k Hz at ±3dB and Power Range of up to 100 watts. With a minimum frequency of 50 Hz, Studio 620 delivers moderate bass depth so depending on your use case, you might want to consider adding a subwoofer to your system.
Visit our Powered Subwoofers section to find out more about the available subwoofer options.
Here we have a comparison of how Studio 620's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
Bookshelf Speakers
High Frequency
Bookshelf Speakers
Impedance and Sensitivity
JBL Studio 620's nominal impedance level is
6 ohms and has a sensitivity of
84 dB.
Sensitivity
Bookshelf Speakers
Nominal Impedance of the 6 Ohms makes the JBL Studio 620 a relatively difficult to drive speaker compared to more frequently found 8 ohms speakers from nominal Impedance perspective.
Sensitivity
With a sensitivity level of only 84 dB, JBL Studio 620 is a difficult to drive speaker from Sensitivity perspective, make sure to choose an amplifier with a high output if you like listening to your music at high volume levels. You may especially have a hard time using Tube amplifiers which are traditionally very low power compared to Class A/B or Class D amps.
Check the amplifiers that are in a similar price range to the JBL Studio 620:
Input Type
Studio 620 features 5-Way post type connectors. Bi-amping and Bi-wiring are not possible.
JBL Studio 620 External Dimensions and Weight
JBL Studio 620 has external dimensions of (Height x Width x Depth) 12.3 x 7-1/2inch x 9-1/2inch (190 x 240 x 312mm ).
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 JBL Studio 620 is approximately 456.0cm2 / 70.7inch2.
WeightThe JBL Studio 620 weighs 6.88kg / 15.1lbs per piece. Here is a comparison of how Studio 620's weight compares with the average, max and min weights in its class.
Weight
All Bookshelf Speakers
Cabinet type and Materials
JBL Studio 620 has a
Bass Reflex type cabinet and a MDF/Wood veneer finish. 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.
Speaker Feet
JBL Studio 620 comes with
8 x Feet Pads which you can use to secure your loudspeaker on the surface that you are putting on. It is always recommended to use some kind of feet under all types of speakers. Besides limiting the movement of the speakers, it also compensates for non-flat surfaces and limits the contact surface area of the speaker. Rubber based feet also help isolating the vibrations within certain frequency ranges.
Port Position
JBL Studio 620 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.
Available colors
JBL Studio 620 is available in Wood and Dark Wood.
Wall Mounting
Studio 620 doesn't sport any built-in mounting bracket, so you need an external structure to mount it on walls.
Does the JBL Studio 620 come with a Grille?
Studio 620 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.
What's in the Box of JBL Studio 620?
Here are the items that are included inside the box of Studio 620:
2 x JBL Studio 630 Bookshelf Loudspeaker 1 x Owner’s Manual 1 x Warranty Card 8 x Feet Pads
Recommended Accessories
Here is a list of accessories that we think you may need for the JBL Studio 620.
- Speaker Cable and Connectors
- Vibration Isolators: IsoAcoustics isolators 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.
User's Manual
For more information about how to setup, use and maintain the JBL Studio 620, use the direct link below to download the official manual document:
Download User Manual for JBL Studio 620
Official Brochure
Here is a link to download the official brochure for the JBL Studio 620 speaker:
Official Brochure for JBL Studio 620
Official Product Page
Official manufacturer's product page for the JBL Studio 620 speaker can be found below:
Official Product Page for JBL Studio 620
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.