Short answer: choose between the JBL PRX908 and RCF ART 945-A by matching the speaker to the deployment rather than treating their ranking positions as a universal verdict. Coverage, cabinet format, bass extension, output capability, DSP, and service support all matter in a PA system.
Why choose the JBL PRX908. High-quality vendor data shows a 5.69 ideal-subwoofer preference score with 58Hz measured extension, backed by JBL’s extensive service network. A 12-band parametric EQ with dbx DriveRack feedback suppression and BLE app control carry over the PRX900 series’ engineering into an 8-inch cabinet.
Why choose the RCF ART 945-A. This is the strongest-measuring 15-inch RCF here: medium-quality vendor data produces a 6.69 ideal-subwoofer preference score with roughly 50Hz extension. The top-tier compression driver and 41.4 lbs (18.8 kg) enclosure combine unusually high output with easy portability for a 15-inch box.
What to weigh before buying. Its 126dB peak claim is modest for a main speaker, so pairing with a subwoofer matters more here than with the larger PRX modules. Pricing and wide retail distribution are not yet well established for this model, and the RCF ART9 range above the 912/932-A pair has a shorter market track record. Coverage and full connector details were not confirmed in local data.
Buy the JBL PRX908 when its stated coverage, output, processing, and installation format fit the job better.
Buy the RCF ART 945-A when its stated strengths better suit the venue and the rest of the system.
Want more options? Browse the full PA & Live Sound rankings.
A compact powered 8 inch PA speaker with well balanced sound, Bluetooth app control and feedback suppression for gigs and monitors.
A 15 inch PA speaker with very high output and good sound, and light for its size.
Prices on this page were last checked October 23, 2026 at 8:27 AM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
As an eBay Partner, we may be compensated if you make a purchase.
Specifications Side By Side
| JBL PRX908 | RCF ART 945-A | |
|---|---|---|
| Price | $699.00 | $2,099.00 |
| Ranked | #6 of 47 in 8-Inch PA Speakers | #1 of 76 in 15-Inch PA Speakers |
| Passive | No | No |
| Configuration | Active 2-way bass-reflex PA speaker | Active 2-way bass-reflex PA speaker |
| Drivers | 8” woofer, 1.5” compression driver | 15” woofer, 1.4” exit/3” diaphragm compression driver |
| Frequency Response | 55Hz - 20kHz (-10dB, manufacturer specified) | 45Hz - 20kHz (manufacturer specified) |
| Dimensions | 18.9”H x 12.3”W x 11.2”D (479 x 312 x 285 mm) | 28.2”H x 16.3”W x 16.1”D (717 x 415 x 410 mm) |
| Inputs | 2 x XLR/TRS combo, 3.5mm aux; 2 x XLR thru and XLR mix outputs | XLR and 1/4-inch jack input; XLR output |
| Amplifier Power | 2000W peak / 1000W RMS | 2100W peak (1400W LF + 700W HF) |
| Crossover Frequency | 1930Hz | 650Hz |
| Cabinet Material | Polypropylene/talc composite | PP composite |
| Rigging | 6 x M10 suspension points; dual 36mm pole sockets | M10 inserts; 35mm pole mount |
| Coverage | 105° x 60° | 100° x 60° |
| Maximum SPL | 126dB peak (manufacturer specified) | 135dB peak (manufacturer specified) |
| Bass Extension (-3dB) | 63Hz (measured, vendor Spinorama data) | 50.5Hz (measured, vendor Spinorama data) |
| DSP | Yes, 12-band parametric EQ and dbx DriveRack | Yes, FiRPHASE and Bass Motion Control |
| Bluetooth | Yes, control via JBL Pro Connect app | No |
| Weight | 30.2 lbs (13.7 kg) | 49.4 lbs (22.4 kg) |
| Spinorama Preference Score | 3.10 | 4.50 |
| Spinorama Preference Score with Perfect Sub | 5.69 | 6.69 |
| XLR Input | Yes | Yes |
| RCA Input | No | No |
| TRS Input | Yes | Yes |
| Optical Input | No | No |
| Coaxial Input | No | No |
| USB Input | No | No |
| HDMI Input | No | No |
| AES Input | No | No |
| Aux Input | Yes | No |
| Microphone Input | No | No |
| Guitar Input | No | No |
Frequency Response Compared
Both speakers’ spinorama measurements, overlaid. A flatter line is more neutral: peaks sound forward or harsh, dips sound recessed. Each curve is shifted so its average from 300 Hz to 3 kHz sits at 0 dB, so loudness differences between the two are removed and only the shape is compared. The two were measured by different sources, so small differences, especially in the bass, can come from the measurement setup rather than the speakers.
Measurement data: JBL PRX908 (measured by the manufacturer) and RCF ART 945-A (measured by an independent reviewer), via spinorama.org.
Related Speaker Comparisons
More worthwhile head-to-heads for RCF ART 945-A: