Short answer: choose between the RCF KX 45-A and Yamaha DXR15mkII for the requirements of the venue and system, not from rank alone. In this size class, coverage, bass extension, output capability, DSP, cabinet construction, and service support often decide the better fit.
Why choose the RCF KX 45-A. RCF’s flagship 15-inch point source pairs a 3200W amplifier with a 3-inch titanium-dome compression driver, RDNet remote control and a 137dB claimed peak, the highest maximum-output claim in this ranking. Rotatable 100° x 70° coverage suits both main and monitor use.
Why choose the Yamaha DXR15mkII. A proven, broadly distributed workhorse: medium-quality vendor data shows a 4.37 ideal-subwoofer preference score with 61Hz measured extension, and Yamaha’s FIR-X processing and D-CONTOUR presets simplify setup.
What to weigh before buying. The local measurement is truncated and cannot produce a preference score. At 28.4kg it is one of the heaviest boxes here, and pricing/retail availability are not yet established. The preference score sits mid-pack for this ranking, and it lacks app control or Bluetooth audio found on some newer competitors.
Buy the RCF KX 45-A when its stated coverage, output, processing, and deployment format best match the job.
Buy the Yamaha DXR15mkII when its stated strengths are the better match for the room and the rest of the PA.
Specifications Side By Side
| RCF KX 45-A | Yamaha DXR15mkII | |
|---|---|---|
| Price | $4,620.00 | $899.99 |
| Ranked | #3 of 29 in 15-Inch Two-Way Powered PA Speakers | #14 of 29 in 15-Inch Two-Way Powered PA Speakers |
| Configuration | Active 2-way bass-reflex point-source PA speaker | Active 2-way bass-reflex PA speaker |
| Drivers | 15" neodymium woofer, 1.4" exit/3" dome compression driver | 15" woofer, 1.75" compression driver |
| Frequency Response | 50Hz - 20kHz (manufacturer specified) | 49Hz - 20kHz (-10dB, manufacturer specified) |
| Dimensions | 27.8"H x 16.5"W x 16.9"D (705 x 419.6 x 430 mm) | 27.6"H x 17.5"W x 15"D (700 x 445 x 380 mm) |
| Coverage | 100° x 70°, rotatable | - |
| Maximum SPL | 137dB peak (manufacturer specified) | 134dB peak (manufacturer specified) |
| Inputs | XLR audio input/link and EtherCON RDNet | XLR, dual 1/4-inch, stereo RCA; XLR thru and link outputs |
| Amplifier Power | 3200W peak (2000W LF + 1200W HF) | 1100W dynamic / 700W continuous (950W LF + 150W HF dynamic) |
| Crossover Frequency | 750Hz | - |
| Cabinet Material | Baltic birch plywood | Matte-finish ABS |
| Rigging | Quick-lock rigging; 6 x M10 inserts; 35mm pole mount | 3 x M10 points; 35mm dual-angle pole mount |
| Network Control | RDNet | - |
| DSP | Yes, FiRPHASE, Bass Motion Control, presets and RDNet | Yes |
| Bluetooth | No | No |
| Weight | 62.6 lbs / 28.4 kg | 48.1 lbs / 21.8 kg |
| Bass Extension (-3dB) | - | 67Hz (measured, vendor Spinorama data) |
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- Electro-Voice MFX-15MC vs RCF NX 915-A
- FBT Mitus 115A vs Electro-Voice MFX-15MC
- Yamaha DXR12mkII vs RCF KX 45-A
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Prices on this page were last checked September 7, 2026 at 7:47 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.
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The Two Speakers In Full
RCF KX 45-A: $4,620.00 B&H Photo Video Guitar Center eBay
Pros: RCF’s flagship 15-inch point source pairs a 3200W amplifier with a 3-inch titanium-dome compression driver, RDNet remote control and a 137dB claimed peak, the highest maximum-output claim in this ranking. Rotatable 100° x 70° coverage suits both main and monitor use.
Cons: The local measurement is truncated and cannot produce a preference score. At 28.4kg it is one of the heaviest boxes here, and pricing/retail availability are not yet established.
Full RCF KX 45-A review and specifications →
| Amplifier Power | 3200W peak (2000W LF + 1200W HF) |
|---|---|
| Bluetooth | No |
| Cabinet Material | Baltic birch plywood |
| Configuration | Active 2-way bass-reflex point-source PA speaker |
| Coverage | 100° x 70°, rotatable |
| Crossover Frequency | 750Hz |
| DSP | Yes, FiRPHASE, Bass Motion Control, presets and RDNet |
| Dimensions | 27.8"H x 16.5"W x 16.9"D (705 x 419.6 x 430 mm) |
| Drivers | 15" neodymium woofer, 1.4" exit/3" dome compression driver |
| Frequency Response | 50Hz - 20kHz (manufacturer specified) |
| Inputs | XLR audio input/link and EtherCON RDNet |
| Maximum SPL | 137dB peak (manufacturer specified) |
| Network Control | RDNet |
| Rigging | Quick-lock rigging; 6 x M10 inserts; 35mm pole mount |
| Weight | 62.6 lbs / 28.4 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Yamaha DXR15mkII: $899.99 Amazon B&H Photo Video Guitar Center eBay
Pros: A proven, broadly distributed workhorse: medium-quality vendor data shows a 4.37 ideal-subwoofer preference score with 61Hz measured extension, and Yamaha’s FIR-X processing and D-CONTOUR presets simplify setup.
Cons: The preference score sits mid-pack for this ranking, and it lacks app control or Bluetooth audio found on some newer competitors.
Full Yamaha DXR15mkII review and specifications →
| Amplifier Power | 1100W dynamic / 700W continuous (950W LF + 150W HF dynamic) |
|---|---|
| Bass Extension (-3dB) | 67Hz (measured, vendor Spinorama data) |
| Bluetooth | No |
| Cabinet Material | Matte-finish ABS |
| Configuration | Active 2-way bass-reflex PA speaker |
| DSP | Yes |
| Dimensions | 27.6"H x 17.5"W x 15"D (700 x 445 x 380 mm) |
| Drivers | 15" woofer, 1.75" compression driver |
| Frequency Response | 49Hz - 20kHz (-10dB, manufacturer specified) |
| Inputs | XLR, dual 1/4-inch, stereo RCA; XLR thru and link outputs |
| Maximum SPL | 134dB peak (manufacturer specified) |
| Rigging | 3 x M10 points; 35mm dual-angle pole mount |
| Weight | 48.1 lbs / 21.8 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Yamaha DXR15mkII vs FBT Mitus 115A
- Yamaha DXR15mkII vs Electro-Voice MFX-15MC
- Yamaha DXR15mkII vs RCF ART 715-A MK5
- Yamaha DXR15mkII vs Yamaha DXR15mkIII
- Yamaha DXR15mkII vs RCF NX 915-A
- Yamaha DXR15mkII vs RCF ART 935-A
- Yamaha DXR15mkII vs RCF ART 745-A MK5
- Yamaha DXR15mkII vs JBL PRX915
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