JBL 4312G is a 3-way Passive Bass Reflex Bookshelf speaker by JBL. It was released in 2019. It features a 1" Dome Tweeter, 1 x 5" Midrange and 1 x 12" Pure Pulp Woofer.
The current 4312, and still the same idea as the 1970s original: a 12 inch pure-pulp woofer with the 5 inch midrange and 1 inch dome stacked beside it rather than above, so it sits on its side on a console. Front-ported, 6 ohms, 90 dB, with level controls for the mid and treble.
The speaker has a frequency range of 44-40k Hz and a sensitivity of 90 dB. JBL 4312G has an MSRP of 2500$ per pair.
Room Size Suitability
The size of the room where you plan to use the JBL 4312G 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 | Good |
| Small Room | Good |
| Mid-size Room | Average |
| Large Room | Poor |
| Very Large Room | No way |
(* 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 Monitor Series of Loudspeakers
4312G is a member of JBL's Studio Monitor series of Passive speakers. The Studio Monitor range are JBL's premium powered monitors, descended from the brand's professional studio speakers. Below you can see the main specs of these speakers.
See all 6 JBL Studio Monitor models compared »
JBL Studio Monitor Series Speakers
Frequency Response of the JBL 4312G Speaker
JBL 4312G has a Frequency response range of 44-40k Hz and Power Range of 10-200 watts. With a minimum frequency of 44 Hz, 4312G 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 4312G'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 JBL 4312G?
Crossover frequency of the JBL 4312G?
4312G is a 3-way speaker and its crossover frequency between the woofer and the midrange is set to 640 Hz and the crossover frequency between the midrange and the tweeter is set to 5000 Hz.
Impedance and Sensitivity
JBL 4312G's nominal impedance level is
6 ohms and has a sensitivity of
90 dB.
Sensitivity
Bookshelf Speakers
Nominal Impedance of the 6 Ohms makes the JBL 4312G a relatively difficult to drive speaker compared to more frequently found 8 ohms speakers from nominal Impedance perspective.
Sensitivity
90dB of the JBL 4312G is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise. Work out how loud the JBL 4312G plays in your room →
Running more than one pair from a single amplifier? Check the load it would present →
What amplifier does the JBL 4312G need?
At normal listening levels in a medium room, about
10–160 W
per channel into 6 ohms.
Set your own conditions and we will rank every amplifier we cover.
Prefer to browse? Integrated amplifiers under $3,000, or every amplifier we cover.
Input Type
4312G 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 →
JBL 4312G External Dimensions and Weight
JBL 4312G has external dimensions of (Height x Width x Depth) 23-1/2 x 14-1/4 x 12inch (597.0 x 362.0 x 305.0mm ).
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 JBL 4312G is approximately 1104.1cm2 / 171.1inch2.
Find speakers that fit your shelf or alcove → · Work out where they should sit in the room →
WeightThe JBL 4312G weighs 23.80kg / 52.4lbs per piece. Here is a comparison of how 4312G's weight compares with the average, max and min weights in its class.
Weight
All Bookshelf Speakers
Weight
Bookshelf Speakers under $3,000
Cabinet type and Materials
JBL 4312G 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.
Wall Mounting
4312G doesn't sport any built-in mounting bracket, so you need an external structure to mount it on walls.
Does the JBL 4312G come with a Grille?
4312G 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 JBL 4312G.
- Speaker Cable and Connectors
- 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.
Official Product Page
Official manufacturer's product page for the JBL 4312G speaker can be found below:
Official Product Page for JBL 4312G