Short answer: the Cambridge Audio L/R X. Both are rated 4.1/5 for sound quality (#48 and #47 of 68 powered bookshelf speakers), and the Cambridge Audio L/R X costs $2399 against $2625 for the Dynaudio Core 47, with sound quality a draw, the lower price decides it.
What the Dynaudio Core 47 does well: A professional three-way monitor with 42.5Hz measured -3dB extension and flexible installation controls. The catch: The measured 3.1dB response span from 300Hz to 5kHz and listening-window unevenness keep it below the leading accuracy choices.
What the Cambridge Audio L/R X does well: A 2.5-way active design with a 28mm aluminum tweeter, a front-facing 5-inch mid-woofer, a second 5-inch woofer at the base whose passband overlaps the first (the source of the “.5”), and dual 6-inch side-firing passive radiators per speaker. The tradeoff: On-axis response is less linear than the L/R S, with dips in the bass, a peak around 1-2kHz, and a dip spanning the upper mid-range into the lower treble; Cambridge confirmed the dip is a deliberate DSP notch for a tweeter breakup resonance rather than a driver flaw, but it was audible as a mild suck-out in an AB pink-noise comparison.
Buy the Cambridge Audio L/R X. Both are rated the same for sound quality, and it costs $226 less than the Dynaudio Core 47.
Looking for alternatives? See the complete Powered Home rankings.
Specifications Side By Side
| Dynaudio Core 47 | Cambridge Audio L/R X | |
|---|---|---|
| Price | $5,250 per pair | $2,399.00 per pair |
| Ranked | #47 of 68 in Large Size Powered Bookshelf Speakers | #48 of 68 in Large Size Powered Bookshelf Speakers |
| Enclosure | 3-way active, bass-reflex | - |
| Drivers | 1" Esotar Pro tweeter, 4" MSP midrange, 7" MSP woofer | 28mm aluminum tweeter, 2x 5" mid-woofers, 2x 6" side-firing passive radiators |
| Dimensions | 9.4H x 15.4W x 14D in | 7.9" (200 mm) W x 330mm H x 260mm D (each) |
| Weight | 33.3 lbs (15.1 kg) each | 22.9 lbs (10.4kg) each |
| Amplifier Power | 1,150W each (150W HF, 500W MF, 500W LF) | 800W total (400W per speaker) |
| Inputs | Analog XLR, AES3 digital XLR, word clock | HDMI eARC, RCA aux, RCA phono (MM), optical digital, USB-C, USB-A, Ethernet, Wi-Fi |
| Country | Denmark | - |
| Spinorama Preference Score | 4.99 | - |
| Spinorama Preference Score with Perfect Sub | 6.65 | - |
| XLR Input | Yes | No |
| RCA Input | No | Yes |
| TRS Input | No | No |
| Optical Input | No | Yes |
| Coaxial Input | No | No |
| USB Input | No | Yes |
| HDMI Input | No | Yes |
| AES Input | No | No |
| Aux Input | No | No |
| Bluetooth | No | Yes |
| Frequency Response | 41Hz - 24kHz (±3dB) (Manufacturer specified) | 35Hz - 24kHz (±3dB, manufacturer specified) |
| Bass Extension (-3dB) | - | 43Hz (measured, Erin's Audio Corner) |
| Bass Extension (-10dB) | - | 37Hz (measured, Erin's Audio Corner) |
| Bluetooth Codecs | - | SBC, AAC |
| App | - | Yes |
| DSP | - | Yes, room size, wall distance, and reflective surface correction |
| Subwoofer Output | - | Yes |
| Outputs | - | Subwoofer |
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Prices on this page were last checked September 23, 2026 at 11:24 PM 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
Dynaudio Core 47: $5,250 per pair B&H Photo Video eBay
Pros: A professional three-way monitor with 42.5Hz measured -3dB extension and flexible installation controls. Its 6.65 ideal-subwoofer score supports a usable studio foundation when paired with appropriate room setup.
Cons: The measured 3.1dB response span from 300Hz to 5kHz and listening-window unevenness keep it below the leading accuracy choices. A nearly flat overall response slope does not mean the individual frequencies are equally balanced. Premium construction and amplifier power do not resolve those response variations.
Full Dynaudio Core 47 review and specifications →
| AES Input | No |
|---|---|
| Amplifier Power | 1,150W each (150W HF, 500W MF, 500W LF) |
| Aux Input | No |
| Bluetooth | No |
| Coaxial Input | No |
| Country | Denmark |
| Dimensions | 9.4H x 15.4W x 14D in |
| Drivers | 1" Esotar Pro tweeter, 4" MSP midrange, 7" MSP woofer |
| Enclosure | 3-way active, bass-reflex |
| Frequency Response | 41Hz - 24kHz (±3dB) (Manufacturer specified) |
| HDMI Input | No |
| Inputs | Analog XLR, AES3 digital XLR, word clock |
| Optical Input | No |
| RCA Input | No |
| Spinorama Preference Score | 4.99 |
| Spinorama Preference Score with Perfect Sub | 6.65 |
| TRS Input | No |
| USB Input | No |
| Weight | 33.3 lbs (15.1 kg) each |
| XLR Input | Yes |
- Links
- Reviews, Comparisons and Sound Samples
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Cambridge Audio L/R X: $2,399.00 per pair Amazon eBay
Pros: A 2.5-way active design with a 28mm aluminum tweeter, a front-facing 5-inch mid-woofer, a second 5-inch woofer at the base whose passband overlaps the first (the source of the “.5”), and dual 6-inch side-firing passive radiators per speaker. Erin’s Audio Corner measured wide, even horizontal dispersion (a broad flare out to about the -6dB point around 1.5 to 3kHz) and deeper extension than the smaller L/R S, with an F3 of about 43Hz and F10 of about 37Hz. In-app DSP for room size, speaker distance from the front wall, and reflective surface type gave an audible change in bass tightness in testing. Connectivity covers HDMI eARC, RCA aux, a moving-magnet phono input, optical digital, USB-C, USB-A, Wi-Fi streaming, and a subwoofer output, making it a full living-room hub rather than just a stereo pair. Measured bass extension of 43Hz (-3dB).
Cons: On-axis response is less linear than the L/R S, with dips in the bass, a peak around 1-2kHz, and a dip spanning the upper mid-range into the lower treble; Cambridge confirmed the dip is a deliberate DSP notch for a tweeter breakup resonance rather than a driver flaw, but it was audible as a mild suck-out in an AB pink-noise comparison. Vertical dispersion is narrower and asymmetric than the L/R S, at about plus 20 to minus 10 degrees, because the greater distance between the tweeter and mid-woofer creates more lobing, so listening height and stand placement matter more. Multitone distortion rides close to the 3% threshold at 96dB measured at 1 meter in the far field, limiting headroom for loud, wide-band material. Output falls off quickly below about 50Hz, so home-theater use with deep bass content benefits from an added subwoofer.
Full Cambridge Audio L/R X review and specifications →
| AES Input | No |
|---|---|
| Amplifier Power | 800W total (400W per speaker) |
| App | Yes |
| Aux Input | No |
| Bass Extension (-10dB) | 37Hz (measured, Erin's Audio Corner) |
| Bass Extension (-3dB) | 43Hz (measured, Erin's Audio Corner) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC, AAC |
| Coaxial Input | No |
| DSP | Yes, room size, wall distance, and reflective surface correction |
| Dimensions | 7.9" (200 mm) W x 330mm H x 260mm D (each) |
| Drivers | 28mm aluminum tweeter, 2x 5" mid-woofers, 2x 6" side-firing passive radiators |
| Frequency Response | 35Hz - 24kHz (±3dB, manufacturer specified) |
| HDMI Input | Yes |
| Inputs | HDMI eARC, RCA aux, RCA phono (MM), optical digital, USB-C, USB-A, Ethernet, Wi-Fi |
| Optical Input | Yes |
| Outputs | Subwoofer |
| RCA Input | Yes |
| Subwoofer Output | Yes |
| TRS Input | No |
| USB Input | Yes |
| Weight | 22.9 lbs (10.4kg) each |
| XLR Input | No |
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