What this page covers. The PMC models ranked here span powered speakers and passive speakers, including PMC result6 and PMC twenty.21. Use each model’s category position to compare it with alternatives of the same size and use case.
This page lists all 2 PMC speakers ranked on this site across powered speakers and passive speakers. Each model is shown in the category where it competes, with its current rank and the size of that ranking.
Use the category position rather than the brand name alone: speakers from the same manufacturer can perform very differently by size, price and product family.
Prices on this page were last checked September 6, 2026 at 7:27 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.
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Large Size Powered Bookshelf Speakers
Ranked #65 of 66 in Large Size Powered Bookshelf Speakers - PMC result6: $3,300/pair Sweetwater eBay
Pros: A self-powered professional monitor with straightforward analog connectivity. A subwoofer can extend its bandwidth, with the measured -6dB point at 55.7Hz providing a useful system-planning reference.
Cons: The measured -3dB point is 67.4Hz, and preference scores of 2.17 standalone and 4.69 with an ideal subwoofer reveal limited native tonal accuracy. Broad response and listening-window irregularities remain even when bass is accounted for. Its transmission-line construction does not overcome these measured limitations, and correction requires external equipment.
Full PMC result6 review and specifications →
| Drivers | 1-inch tweeter, 6.5-inch woofer |
|---|---|
| Enclosure | Active 2-way Advanced Transmission Line |
| Frequency Response | 45Hz-22kHz |
| Inputs | Balanced XLR |
| Maximum SPL | 112dB |
| Power Output | 100W LF + 65W HF each |
| Weight | 17.6 lbs each |
- Links
- Reviews, Comparisons and Sound Samples
Medium Size Bookshelf Speakers
Ranked #86 of 87 in Medium Size Bookshelf Speakers - PMC twenty.21: $2,000 discontinued, superseded by twenty5.21 eBay
Pros: Transmission-line loaded design with a proprietary PMC/SEAS SONOLEX soft dome tweeter and doped mid/bass driver, reflecting PMC’s high-end British studio-monitor pedigree.
Cons: Amir was blunt: “The PMC Twenty.21 is a failure in design,” asking, “Did different people design different parts of the speaker and never talked to each other?” On-axis response is highly problematic, and the lack of a tweeter waveguide causes severe beamwidth compression that makes the speaker highly room-sensitive. Dual bass peaks indicate improper port tuning, with the port bump at 100Hz compounding rather than compensating for existing woofer peaks. Distortion is elevated throughout, spiking further at 96dB SPL near 200Hz from port noise. Initial listening was “screechy bright” enough to trigger the reviewer’s tinnitus, with harsh, lispy vocals and tubby, unnatural bass; only heavy manual EQ made it acceptable. At $2,000, Amir suspects the tuning was done “by ear” rather than with measurements.
Full PMC twenty.21 review and specifications →
| Bass Extension (-10dB) | 48.7Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 68.8Hz (measured, Audio Science Review) |
| Dimensions | 12.8"H x 6"W x 10.9"D (325 x 152 x 277 mm) (+6mm grille) |
| Drivers | 5.5" (140mm) doped mid/bass driver with cast alloy chassis, 27mm PMC/SEAS SONOLEX soft dome tweeter (ferrofluid cooled) |
| Frequency Response | 50Hz - 25kHz, +/-4.4dB (Manufacturer specified) |
| Impedance | 8 ohms |
| Sensitivity | 83dB (1W/1m, manufacturer specified) |
| Weight | 11 lbs / 5 kg each |
| Woofer Cabinet | transmission line, 1.72m effective length |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons