JBL 8124 4 Full-Range In-Ceiling Loudspeaker (4 Pack)
Questions or volume pricing? Call 800-919-6548
Professional Transparency: Shipping charges, delivery timing, and warranty coverage vary by destination and integration requirements. For bulk procurement or government pricing, call 800-919-6548 or email orders@robertsonav.com.
Small rooms, corridors and break areas are often covered with many small ceiling speakers, and this four-pack of the JBL 8124 gives you 4-inch full-range drivers with a 70V/100V transformer for distributed audio.
Need more than one pack? Ask Robertson AV to quote the full count.
Key Features
- Full-range clarity: 100 mm (4 in) driver covering 60 Hz – 18 kHz (-10 dB)
- Wide coverage: 130-degree conical coverage
- Efficient: 93 dB sensitivity (2.83 V at 1 m) makes the most of amplifier power
- Distributed-line ready: 6 W transformer with 6 W, 3 W and 1.5 W taps (0.75 W at 70 V only)
- Easy blind mounting: Dog-ear design with a 175 mm (6.9 in) cutout
- Light and tidy: Open-back design, 2.5 lb (1.2 kg) each, sculpted grille included
Ideal For
- Offices and reception areas: background music
- Restaurants and retail: even, low-level coverage
- Corridors and break rooms: small drivers in many zones
JBL 8124 4″ In-Ceiling Loudspeaker (4-Pack) Specifications
| Specification | Details |
|---|---|
| Acoustic Performance | |
| Driver | 100 mm (4 in) full-range |
| Frequency Range (-10 DB) | 60 Hz – 18 kHz |
| Coverage | 130° conical |
| Sensitivity | 93 dB (1 kHz – 8 kHz, 2.83 V @ 1 m) |
| Nominal Driver Impedance | 8 ohms |
| Driver Power Capacity | 20 W |
| Amplification & Power Handling | |
| 70V/100V Transformer Taps | 6 W, 3 W, 1.5 W (0.75 W at 70 V only) |
| Physical & Mounting | |
| Dimensions (Diameter x Depth) | 206 mm (8.1 in) round baffle x 89 mm (3.75 in) deep |
| Cutout Diameter | 175 mm (6.9 in) |
| Net Weight (Each) | 1.2 kg (2.5 lb) |
| Additional Features | |
| Type | 4″ full-range, open-back in-ceiling loudspeaker |
| Termination | Bare wire |
| Included Accessories | Sculpted grille |
| Optional Accessories | MTC-8124C C-ring; MTC-RAIL tile rails (sold separately) |
| Plenum Usage | Not intended for return air plenums |
| General | |
| Brand | JBL |
| Model | 8124 |
Specifications are verified against the JBL manufacturer data sheet (October 2026) and may change without notice. Confirm critical requirements with JBL before ordering.
What’s in the Box
- Four speakers (store listing: 4-pack)
- Sculpted grilles
Warranty & Support
Planning a multi-room or multi-site install? Request a quote from Robertson AV for 5 or more units, or call us at 800-919-6548 or email orders@robertsonav.com. Free ground shipping on U.S. orders. Schools, businesses, government agencies and houses of worship: ask us about project and quantity pricing.
Specifications are per speaker; the store listing is a four-pack. The JBL sheet names MTC-8124C as the optional C-ring for this model.
Planning your purchase
Planning an order for JBL 8124 4 Full-Range In-Ceiling Loudspeaker (4 Pack)? Reference SKU 8124; RAV16337 when requesting a RobertsonAV quote. Include quantities, delivery location, and project requirements so the team can confirm configuration, compatibility, shipping arrangements, and applicable return terms before purchase.
Shipping and return termsProduct Quote
Request a Quote
Need volume pricing, a formal quote for procurement, or a lead-time check on JBL 8124 4 Full-Range In-Ceiling Loudspeaker (4 Pack)? Send the details and a specialist replies with pricing and availability.
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