Short answer: choose between the QSC K8.2 and RCF KX 08-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 QSC K8.2. This is the standout measured result in this ranking: low-quality vendor data still returns a 6.88 ideal-subwoofer preference score, continuing the K.2 series’ strong showing at every driver size. Extensive onboard DSP, a titanium compression driver and QSC’s long market track record make it an unusually safe general-purpose 8-inch pick.
Why choose the RCF KX 08-A. The entry point into RCF’s flagship KX point-source range, with a 2000W amplifier, a PKX-dome neodymium compression driver, RDNet remote control and a rotatable 90° x 70° horn in a manageable 12.5kg cabinet.
What to weigh before buying. The underlying Spinorama source is low quality, so its apparent measured lead deserves some caution. An 8-inch woofer means a subwoofer partner matters even more than with the larger K.2 models. The local measurement is truncated and cannot produce a preference score, and pricing/retail availability are not yet well established for this model.
Buy the QSC K8.2 when its stated coverage, output, processing, and installation format fit the job better.
Buy the RCF KX 08-A when its stated strengths better suit the venue and the rest of the system.
Specifications Side By Side
| QSC K8.2 | RCF KX 08-A | |
|---|---|---|
| Price | $749.99 | $3,300.00 |
| Ranked | #1 of 15 in 8-Inch Two-Way Powered PA Speakers | #6 of 15 in 8-Inch Two-Way Powered PA Speakers |
| Configuration | Active 2-way bass-reflex PA speaker | Active 2-way bass-reflex point-source PA speaker |
| Drivers | 8" woofer, 1.4" titanium compression driver | 8" woofer, 1.75" voice-coil neodymium compression driver |
| Frequency Response | 59Hz - 20kHz (-6dB, manufacturer specified) | 65Hz - 20kHz (manufacturer specified) |
| Dimensions | 17.7"H x 11"W x 10.6"D (449 x 280 x 269 mm) | 17.7"H x 10.2"W x 11.2"D (450 x 260 x 285.4 mm) |
| Coverage | 105° conical | 90° x 70°, rotatable |
| Maximum SPL | 128dB peak (manufacturer specified) | 128dB peak (manufacturer specified) |
| Inputs | 2 x XLR/TRS combo, 3.5mm aux; 2 x XLR thru and XLR mix outputs | XLR and EtherCON RDNet input/link |
| Amplifier Power | 2025W peak (1800W LF + 225W HF) | 2000W peak (1400W LF + 600W HF) |
| Cabinet Material | Impact-resistant ABS | Baltic birch plywood |
| Rigging | 2 x M10 inserts and pull-back point; 35mm pole mount | M10 inserts; 35mm pole mount |
| Bass Extension (-3dB) | 58Hz (measured, vendor Spinorama data) | 82.5Hz (measured, vendor Spinorama data) |
| DSP | Yes | Yes, RDNet remote management |
| Bluetooth | No | No |
| Weight | 26.9 lbs / 12.2 kg | 24.3 lbs / 11 kg |
| Crossover Frequency | - | 1400Hz |
| Network Control | - | RDNet |
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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
QSC K8.2: $749.99 Amazon B&H Photo Video Guitar Center eBay
Pros: This is the standout measured result in this ranking: low-quality vendor data still returns a 6.88 ideal-subwoofer preference score, continuing the K.2 series’ strong showing at every driver size. Extensive onboard DSP, a titanium compression driver and QSC’s long market track record make it an unusually safe general-purpose 8-inch pick.
Cons: The underlying Spinorama source is low quality, so its apparent measured lead deserves some caution. An 8-inch woofer means a subwoofer partner matters even more than with the larger K.2 models.
Full QSC K8.2 review and specifications →
| Amplifier Power | 2025W peak (1800W LF + 225W HF) |
|---|---|
| Bass Extension (-3dB) | 58Hz (measured, vendor Spinorama data) |
| Bluetooth | No |
| Cabinet Material | Impact-resistant ABS |
| Configuration | Active 2-way bass-reflex PA speaker |
| Coverage | 105° conical |
| DSP | Yes |
| Dimensions | 17.7"H x 11"W x 10.6"D (449 x 280 x 269 mm) |
| Drivers | 8" woofer, 1.4" titanium compression driver |
| Frequency Response | 59Hz - 20kHz (-6dB, manufacturer specified) |
| Inputs | 2 x XLR/TRS combo, 3.5mm aux; 2 x XLR thru and XLR mix outputs |
| Maximum SPL | 128dB peak (manufacturer specified) |
| Rigging | 2 x M10 inserts and pull-back point; 35mm pole mount |
| Weight | 26.9 lbs / 12.2 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
RCF KX 08-A: $3,300.00 B&H Photo Video Guitar Center eBay
Pros: The entry point into RCF’s flagship KX point-source range, with a 2000W amplifier, a PKX-dome neodymium compression driver, RDNet remote control and a rotatable 90° x 70° horn in a manageable 12.5kg cabinet.
Cons: The local measurement is truncated and cannot produce a preference score, and pricing/retail availability are not yet well established for this model.
Full RCF KX 08-A review and specifications →
| Amplifier Power | 2000W peak (1400W LF + 600W HF) |
|---|---|
| Bass Extension (-3dB) | 82.5Hz (measured, vendor Spinorama data) |
| Bluetooth | No |
| Cabinet Material | Baltic birch plywood |
| Configuration | Active 2-way bass-reflex point-source PA speaker |
| Coverage | 90° x 70°, rotatable |
| Crossover Frequency | 1400Hz |
| DSP | Yes, RDNet remote management |
| Dimensions | 17.7"H x 10.2"W x 11.2"D (450 x 260 x 285.4 mm) |
| Drivers | 8" woofer, 1.75" voice-coil neodymium compression driver |
| Frequency Response | 65Hz - 20kHz (manufacturer specified) |
| Inputs | XLR and EtherCON RDNet input/link |
| Maximum SPL | 128dB peak (manufacturer specified) |
| Network Control | RDNet |
| Rigging | M10 inserts; 35mm pole mount |
| Weight | 24.3 lbs / 11 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons