CEILING / PENDANT · INSTALLED SOUND
8124
4-inch, Full-range, In-Ceiling Loudspeaker
The 8124 is a 4-inch, full-range, cost-effective loudspeaker for commercial applications. The 8124 features high-fidelity performance in an easy to install package. The system’s high sensitivity drivers deliver maximum sound levels using minimal amplifier power. With its contemporary grill design, 70V/100V taps and an open-back design, the 8100 series brings elegance and performance to basic commercial sound systems, or any application not requiring a backcan for installation.
- Power
- 6 W
- POWER
- Peak power
- –
- PEAK POWER
- Max SPL
- 101 dB
- MAX SPL
- Frequency range
- 60 Hz – 18 kHz
- FREQUENCY RANGE
Supplied and supported in Pakistan by KYAF, the official HARMAN Professional distributor.
AT A GLANCE
Specifications
- 6 W
- Power
- 101 dB
- Max SPL
- 60 Hz – 18 kHz
- Frequency range
- 130° conical
- Coverage
- 93 dB
- Sensitivity
- 1.2 kg
- Weight
- 8.1 in
- Dimensions
- Bare wires
- Inputs
| Drivers | 4 in (100 mm), Full-range Driver |
|---|---|
| Frequency Range | 60 Hz – 18 kHz |
| Sensitivity | 93 dB (1 kHz – 8 kHz) |
| Coverage Angle | 130° conical |
| Transformer Taps | 6W, 3W, 1.5W (0.75W at 70V only) |
| Input Connectors | Bare wires |
| Dimensions (Diameter x Depth) | 8.1 in (206mm) x 3.5 in (89mm) |
| Weight | 1.2 kg |
| Included Accessories | Sculpted Grille |
| Optional Accessories | MTC-8124C C-ring, MTC- Rail tile rails |
| Power Rating | See transformer taps |
| Maximum SPL (1m) | 101 dB ave. (top 70V/100V tap) |
| Color | White |
| Baffle/Rim | Plastic |
| Ceiling Cutout Size | 175 mm diameter (6.9 in) |
| Plenum Usage | Not intended for use in return air plenums |
| Backcan | No |
| 8124 | 8128 | |
|---|---|---|
| Drivers | 4 in (100 mm), Full-range Driver | 8 in (200 mm), Full-range Driver |
| Frequency Range | 60 Hz – 18 kHz | 50 Hz – 16 kHz |
| Sensitivity | 93 dB (1 kHz – 8 kHz) | 97 dB (1 kHz – 8 kHz) |
| Coverage Angle | 130° conical | 90° conical |
| Transformer Taps | 6W, 3W, 1.5W (0.75W at 70V only) | 6W, 3W, 1.5W (0.75W at 70V only) |
| Input Connectors | Bare wires | Bare wires |
| Dimensions (Diameter x Depth) | 8.1 in (206mm) x 3.5 in (89mm) | 11.3 in (287mm) x 4.1in (105mm) |
| Weight | 1.2 kg | 1.4 kg |
| Included Accessories | Sculpted Grille | Sculpted Grille |
| Optional Accessories | MTC-8124C C-ring, MTC- Rail tile rails | MTC-8124C C-ring, MTC-Rail tile rails |
| Power Rating | See transformer taps | See transformer taps |
| Maximum SPL (1m) | 101 dB ave. (top 70V/100V tap) | 105 dB (top 70V/100V tap) |
| Color | White | White |
| Backcan | No | No |
FOR DESIGNERS AND INSTALLERS
Downloads
- PDF8100 Series Spec SheetPDF · 88.5 KB · updated: Mar 2021
- PDF8100 Series BochurePDF · 820 KB · updated: Oct 2020
- PDFControl Contractor Brochure (2024)PDF · 14 MB · version D, updated: Feb 2024
- PDFJBL Commercial BrochurePDF · 1.64 MB · updated: Apr 2020
- PDF8100 Series Declaration of ConformityPDF · 80.2 KB · updated: Oct 2020
- ZIPJBL Pro ALL CLF FilesZIP · 24 MB · version 12-10-21, updated: May 2023
- PDFCeiling Speaker Accessory GuidePDF · 570 KB · version 2026-04, updated: May 2026
- PDFCommercial, CBT, and AWC Tunings 220616PDF · 557 KB · version A, updated: May 2023
JBL's own files, opened here on the KYAF site.

8124
4-inch, Full-range, In-Ceiling Loudspeaker
DESIGN
Every part of the 8124, labelled.

FEATURES
What the 8124 brings.

The 8124 is a 4-inch, full-range, cost-effective loudspeaker for commercial applications. The 8124 features high-fidelity performance in an easy to install package. The system’s high sensitivity drivers deliver maximum sound levels using minimal amplifier power. With its contemporary grill design, 70V/100V taps and an open-back design, the 8100 series brings elegance and performance to basic commercial sound systems, or any application not requiring a backcan for installation.
PLANNING A 8124 SYSTEM?
Tell us the room. We'll size the system.
Send the space, the audience and the budget. A KYAF engineer will work out what you need and quote it delivered in Pakistan.
JBL PROFESSIONAL
8124









