Klipsch Heritage Forte IV is a 3-way Passive Radiator Floor-standing speaker by Klipsch. It was released in 2021. It features a 1" horn-loaded Tweeter, 1 x 1.75" Midrange and 1 x 12" Fibercomposite Woofer. Forte IV also employs rear-firing 15-inch passive radiators. The speaker has a frequency range of 38-20k Hz and a sensitivity of 99 dB. Klipsch Forte IV has an MSRP of 4998$ per pair but can often be found around 3998$ per pair.
Klipsch's Heritage Series of Loudspeakers
Forte IV is a member of Klipsch's Heritage series of Passive speakers. The Heritage range are Klipsch's iconic hand-built American speakers, including the Cornwall, Heresy and horn-loaded La Scala, some in production for decades. Below you can see the main specs of these speakers.
See all 10 Klipsch Heritage models compared »
Klipsch Heritage Series Speakers
Klipsch Heritage Series Speakers
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Frequency Response of the Klipsch Forte IV Speaker
Klipsch Forte IV has a Frequency response range of 38-20k Hz and Power Range of up to 100 watts. With a minimum frequency of 38 Hz, Forte IV 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 Forte IV'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 Klipsch Forte IV?
Among the speakers in our database with a max MSRP price of 5000$ (Pair), these are the 5 Passive Floor-standing speakers that have the deeper bass levels than the Klipsch Forte IV's 38Hz:
Impedance and Sensitivity
Klipsch Forte IV's nominal impedance level is
8 ohms and has a sensitivity of
99 dB.
Sensitivity
Floor-standing Speakers
8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Klipsch Heritage Forte IV is not considered a difficult to drive speaker from nominal Impedance perspective.
Sensitivity
99dB of the Klipsch Heritage Forte IV is considered a high sensitivity compared to average stereo speaker which makes Forte IV 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 Klipsch Forte IV will be a good choice. Work out how loud the Klipsch Forte IV plays in your room →
What amplifier does the Klipsch Forte IV need?
At normal listening levels in a medium room, about
0.9–60 W
per channel into 8 ohms.
Set your own conditions and we will rank every amplifier we cover.
Prefer to browse? Integrated amplifiers under $5,000, or every amplifier we cover.
Input Type
Forte IV has 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 →
Klipsch Forte IV External Dimensions and Weight
Klipsch Forte IV has external dimensions of (Height x Width x Depth) 35-3/4 x 16-5/8 x 13inch (909.0 x 423.0 x 331.0mm ).
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 Klipsch Forte IV is approximately 1400.1cm2 / 217.0inch2.
To get a better perspective on the real life size of Klipsch Forte IV, let's compare it with a standard size Compact Disc which has a diameter of 4.7inch (120mm).
Klipsch Forte IV Speaker Size Compared to a Compact Disc
Here we place the Klipsch Forte IV virtually next to a standard width amplifier and turntable on a media center to get a better idea about the size.
Klipsch Forte IV Floor-standing Speaker next to a Media Stand
Find speakers that fit your shelf or alcove → · Work out where they should sit in the room →
WeightThe Klipsch Forte IV weighs 32.73kg / 72lbs per piece. Here is a comparison of how Forte IV's weight compares with the average, max and min weights in its class.
Weight
All Floor-standing Speakers
Weight
Floor-standing Speakers under $5000
How does the Klipsch Forte IV compare to the Klipsch Heritage Cornwall IV?
One of the natural alternative to the Klipsch Forte IV is the Cornwall IV which is located one step higher in Klipsch's Passive Floor-standing selection.
Here is a scaled size comparison of these two speakers to give you an idea how their external dimensions compare:
Comparison image of Klipsch Cornwall IV and Klipsch Forte IV Size and External Dimensions
Check the Detailed Comparison of Klipsch Forte IV vs Cornwall IV for more details.
Cabinet type and Materials
Klipsch Forte IV has a
Passive Radiator type cabinet and a MDF/Wood veneer finish.
Speaker Feet
Klipsch Forte IV comes with 8 Self-adhesive rubber feet 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
Klipsch Forte IV 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
Klipsch Forte IV is available in Black.
Does the Klipsch Forte IV come with a Grille?
Forte IV 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 Klipsch Forte IV?
Here are the items that are included inside the box of Forte IV:
- 2 Floorstanding loudspeakers
- 2 Grilles
- 8 Self-adhesive rubber feet
- Owners Manual
- Congratulations letter
- Klipsch brochure
Recommended Accessories
Here is a list of accessories that we think you may need for the Klipsch Heritage Forte IV.
Warranty
10 Years of parts warranty and 10 Years of labor warranty is generally provided by the manufacturer.