JBL Stage3 868F speakers
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JBL Stage3 868F
The JBL Stage3 868F speakers are 6 x 8" two-way coaxial speakers of the new-generation Stage3 series, intended for a high-quality upgrade of factory audio in cars with smaller mounting spaces. They offer the characteristic JBL sound with emphasis on dynamics, clarity and a fuller bass component than commonly provided by stock speakers of the same size. Thanks to high sensitivity they are suitable even for powering from a standard head unit, while their potential can be better realized when paired with an external amplifier.
The design is based on a cone with the patented Plus One™ technology, which uses a larger active cone area and therefore transfers more energy into the listening space. The result is higher sensitivity, improved low-frequency response and overall fuller sound. The cone is reinforced with 10% glass fiber, which increases its stiffness and helps maintain precise control of movement even at higher volumes. The laser-engraved surface additionally creates an attractive texture reminiscent of forged carbon fiber.
High-frequency reproduction is handled by a balanced PEI dome tweeter, which offers clean, detailed and pleasantly rendered highs without excessive harshness. The actual impedance of 4 Ω helps efficiently use the power of the head unit or amplifier and also compensates for resistance arising in wiring and other parts of the system. JBL Stage3 48 are designed with emphasis on easy installation and wide compatibility with different cars, and recycled plastic components, PVC-free wiring and more eco-friendly packaging materials are used in production.
Main features
- Two-way coaxial speakers of the JBL Stage3 Gen2 series.
- 6 x 8" design suitable for smaller factory mounting positions.
- Patented Plus One™ cone with larger active area.
- Higher sensitivity and fuller low-frequency reproduction.
- Cone reinforced with 10% glass fiber for greater stiffness and more precise control.
- Laser-engraved surface with forged carbon-fiber effect.
- PEI dome tweeter for clean and detailed high frequencies.
- Actual impedance 4 Ω for efficient use of head unit or amplifier power.
- Dynamic and energetic sound characteristic of JBL.
- Suitable for powering from a standard head unit.
- Design engineered for easy installation into a wide range of vehicles.
- Recycled plastic components and PVC-free wiring.
- Ideal solution for a high-quality upgrade of factory speakers.
About the brand
The JBL brand has long been one of the most important names in audio, and its products are synonymous with quality sound, reliability and modern technology. In the car-audio segment it offers a wide portfolio of speakers, subwoofers and amplifiers that stand out for dynamic performance, high sensitivity and the typical “JBL sound,” making them an ideal upgrade to factory audio for any driver. JBL also holds a strong position in portable Bluetooth speakers, combining compact dimensions, durable constructions (often with IP67 certification) and long battery life with surprisingly powerful sound. Whether you’re looking for a solution to enhance your car’s audio or a reliable travel companion, JBL offers products that combine innovation, quality and great listening in every situation.
| Catalog number | STAGE3 868F |
| Brand | JBL |
| Links | Official web presentation |
| Speaker typeCoaxial speakers: Coaxial speakers are characterized by a so-called all-in-one design. The tweeter and mid-bass speaker are in one basket. The advantage is simpler assembly, but thanks to the connection or proximity of the bands in one speaker, the sound quality will usually be reduced. As a rule, in the middle of the mid-bass speaker, there is a tweeter whose voice coil works in the second air gap of the common magnetic circuit. The three-way coaxial speaker consists of a mid-bass speaker, a center speaker and a separate tweeter in the front on a special beam. Component Speakers: Component speakers are characterized by a division into individual frequency bands, treble + mid-bass + or. bass band. The individual speakers can be placed completely separately, which results in a better sound and acoustic performance. In the vast majority of cases of component speakers, an external crossover is also supplied, which divides the treble, middle / mid-bass, and into the three-band the bass band or allows setting the decibel level of the tweeter (e.g. +2 dB, 0 dB, -2 dB), steepness (e.g. 6dB/Oct. 12dB/Oct.) or active or bi-amp connection. | Coaxial |
| RMS powerRMS speaker power is the constant power of the entire system, not just one speaker or one side. This is also the performance of continuous use of the speakers. If the RMS power is exceeded for a long time, the speakers may be irreversibly damaged! | 70 W |
| Max. (maximum performancePeak performance , which the speaker can play for a moment (approx. 0.5 s), for example when hitting drums in a song. If the max power is exceeded, the speakers will usually be damaged! | 560 W |
| Sensitivity (SPL 2.83V/1m)Sensitivity, sensitivity or efficiency of the speaker. Speaker sensitivity is given in decibels (dB) and simply put, the higher the value, the lower the demands on the amplifier's power. This is a defacto rating of how a speaker converts watts to sound. Sensitivity ratings are in noise level measured at 1 meter from the speaker using 1 W (watt of power) or using 2.83 volts at the source at 1 meter. A higher decibel level means the speaker is louder with less power. For every 3 dB increase in sensitivity, the speaker requires half the power to reproduce the same volume. For example, if an 88 dB speaker needs 100 Watts to produce a certain volume, then a speaker with a sensitivity of 91 dB needs only 50 Watts to reach the same volume. | 91 dB |
| ImpedanceImpedance - measurement of electrical resistance. When buying speakers, it is important to make sure that the impedance matches the amplifier or car stereo you are using. Example: A 2 Ohm speaker cannot be connected to an amplifier that is only stable up to 4 Ohms! A 4 Ohm speaker can easily be used with an amplifier that is stable up to 2 Ohms. The most common speaker impedance today is 3 - 4 Ohm. | 4 Ω |
| Frequency rangeThe ability of the speakers to play a signal from the lowest frequency to the highest, or the speaker's ability to faithfully reproduce sound in a specific frequency band. Professionally: In the frequency range from 40 to 16,000 Hz, the vast majority of fundamental and overtones (harmonics) of all musical instruments are found. We are interested in the course of the radiated sound pressure in this range of frequencies when the loudspeaker system is supplied with constant power. We call this course the frequency characteristic, which tells us the level of radiated sound pressure in decibels (dB) depending on the frequency. The frequency characteristic of a speaker or speaker system can be expressed most succinctly with a graph. Mostly, however, the frequency characteristic is indicated by indicating the maximum tolerance of the sound pressure in the given frequency range, e.g. 50 to 15,000 Hz -+ 6 dB. Since the frequency characteristics of loudspeakers and systems in general are quite uneven, some manufacturers do not even specify this maximum tolerance of sound pressure in decibels in their catalogs for reasons of prestige. Data impoverished in this way is unfortunately worthless. What is valid is that the manufacturer offers a speaker system with a frequency range of 30 to 20,000 Hz, if he is worried about stating the maximum unevenness of the sound pressure in this range, because he can have a tolerance of, for example, +- 20 dB. The unevenness or undulation of the frequency curve in good speaker systems for high-quality music performance should not exceed +-3 dB in the 80 to 12,000 Hz band and +-6 dB in the 40 to 16,000 Hz band. Greater unevenness already depletes or emphasizes certain tonal areas, which can cause audible or even disturbing distortion. The proportion between fundamental tones and higher harmonics also changes, thereby changing the color of the sound, and individual musical instruments as well as the entire musical image sound unnatural. | 50 – 20000 Hz |
| The diameter of the mid-bass speakerWe state the diameter of the speaker as the diameter of the entire speaker, not including the mounts, when smaller speakers (87, 100, 130 mm) have extra mounts. Some speakers are oval and there the dimension is given in inches, always the shortest side to the longest side. One inch is approx. 2.5 cm. | 6 x 8" |
| Mid-woofer diaphragm materialThe material that was used for the speaker diaphragm. Don't be afraid of the paper, it surprisingly has a very natural and high-quality sound and, thanks to the surface treatment, it can withstand moisture without any problems. | Glass-fiber reinforced polypropylene |
| Tweeter dome materialThe shell material that was used in the manufacture of the tweeter. | PEI |
| Cover grids included in the packageOriginal cover grilles in speaker packaging. | No |
| Price forIf the price is for a pair, the package always includes 2 pieces of everything, e.g. 2x mid-bass, 2x tweeter and 2x crossover. | Pair |