Short answer: the Audio Pro C5 MkII ranks #1 of 13 powered desktop speakers by sound quality at $300; the Marshall Stanmore II ranks #9 at $300. The price gap is small enough that the sound-quality ranking should decide it.
What the Audio Pro C5 MkII offers: Pretty neutral sound. Watch for: No battery
What the Marshall Stanmore II offers: Its documented strengths make it a credible option in this class. Watch for: Not very deep bass.
Buy the Audio Pro C5 MkII. It ranks higher for sound quality than the Marshall Stanmore II at the same price, which settles it without a real tradeoff to make.
Specifications Side By Side
| Audio Pro C5 MkII | Marshall Stanmore II | |
|---|---|---|
| Price | $300 | $300 Discontinued |
| Ranked | #1 of 13 in Medium Size Powered Desktop Speakers | #9 of 13 in Medium Size Powered Desktop Speakers |
| Aux Input | Yes | Yes |
| Battery Life | No Battery | No Battery |
| Inputs | Bluetooth, Wifi, RCA | Bluetooth, RCA, Aux, Optical |
| IP Rating | None | None |
| Outputs | Subwoofer line out | - |
| Party Mode | Yes (AirPlay 2 multi-room) | No |
| Power Input | AC Power cord | AC Power brick |
| Stereo | Partially | Partially (1 woofer) |
| Drivers | 4" woofer, 2x 0.75" tweeters | 5.25" woofer, 2x 2" midranges, 2x 0.75" Dome tweeters |
| TWS | No | Yes |
| Weight | 5.3 lbs / 2.4 kg | 10.3 lbs / 4.65 kg |
| Wifi | Yes | No |
| Woofer Cabinet | ported | ported |
| App | Yes | Yes |
| Bluetooth Version | 4.2 | 5.0 |
| Dimensions | 9.8" x 5.1" x 5.9" (250 x 130 x 150 mm) | 13.8" x 7.9" x 7.3" (350 x 200 x 185 mm) |
| EQ | Yes (Bass/Treble) | Yes (Bass/Treble) |
| Frequency Response | 50Hz - 20kHz (Manufacturer specified) | 50Hz - 20kHz (Manufacturer specified) |
| Streaming Services | Spotify Connect, Tidal Connect, AirPlay 2, Google Cast | - |
| Wifi Version | IEEE 802.11 b/g/n/ac (2.4/5GHz) | - |
| Output Power | 41W (2x8W + 25W) | 80W (Woofer: 50W, Tweeters: 2x15W) |
| Bass Extension (-10dB) | - | 55Hz |
| Power Bank | - | No |
| Bluetooth Codecs | - | SBC, aptX |
| Voice Assistants | - | Yes |
| Discontinued | - | Yes |
Related Speaker Comparisons
More worthwhile head-to-heads for Audio Pro C5 MkII:
- Audio Pro C5 MkII vs JBL Authentics 200
- Audio Pro C5 MkII vs Marshall Woburn III
- Audio Pro C5 MkII vs Marshall Woburn II
- Audio Pro C5 MkII vs Edifier D12
- Audio Pro C5 MkII vs Marshall Acton III
Prices on this page were last checked September 8, 2026 at 6:02 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
Audio Pro C5 MkII: $300 Amazon eBay
Pros: At 2.4 kg, Audio Pro C5 MkII combines 4” woofer, 2x 0.75” tweeters with Bluetooth, Wifi, RCA. Ac-powered operation and limited-stereo playback make its feature set practical for its intended room or portable use.
Cons: Bass is limited by its 50Hz - 20kHz (Manufacturer specified) specification.
Full Audio Pro C5 MkII review and specifications →
| App | Yes |
|---|---|
| Aux Input | Yes |
| Battery Life | No Battery |
| Bluetooth Version | 4.2 |
| Dimensions | 9.8" x 5.1" x 5.9" (250 x 130 x 150 mm) |
| Drivers | 4" woofer, 2x 0.75" tweeters |
| EQ | Yes (Bass/Treble) |
| Frequency Response | 50Hz - 20kHz (Manufacturer specified) |
| IP Rating | None |
| Inputs | Bluetooth, Wifi, RCA |
| Output Power | 41W (2x8W + 25W) |
| Outputs | Subwoofer line out |
| Party Mode | Yes (AirPlay 2 multi-room) |
| Power Input | AC Power cord |
| Stereo | Partially |
| Streaming Services | Spotify Connect, Tidal Connect, AirPlay 2, Google Cast |
| TWS | No |
| Weight | 5.3 lbs / 2.4 kg |
| Wifi | Yes |
| Wifi Version | IEEE 802.11 b/g/n/ac (2.4/5GHz) |
| Woofer Cabinet | ported |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Audio Pro C5 MkII vs JBL Authentics 200
- Audio Pro C5 MkII vs Marshall Woburn III
- Audio Pro C5 MkII vs Marshall Woburn II
- Audio Pro C5 MkII vs Edifier D12
- Audio Pro C5 MkII vs Marshall Acton III
- Audio Pro C5 MkII vs Marshall Acton II
- Audio Pro C5 MkII vs Klipsch The Three II
- Audio Pro C5 MkII vs Klipsch The One II
- See all 9 comparisons
Marshall Stanmore II: $300 Discontinued eBay
Pros: Marshall Stanmore II uses 5.25” woofer, 2x 2” midranges, 2x 0.75” Dome tweeters. Its 4.65 kg, aux input and limited-stereo playback make it a practical option for its intended room or portable use.
Cons: Bass is limited by its 55Hz specification. Discontinued.
Full Marshall Stanmore II review and specifications →
| App | Yes |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | 55Hz |
| Battery Life | No Battery |
| Bluetooth Codecs | SBC, aptX |
| Bluetooth Version | 5.0 |
| Dimensions | 13.8" x 7.9" x 7.3" (350 x 200 x 185 mm) |
| Discontinued | Yes |
| Drivers | 5.25" woofer, 2x 2" midranges, 2x 0.75" Dome tweeters |
| EQ | Yes (Bass/Treble) |
| Frequency Response | 50Hz - 20kHz (Manufacturer specified) |
| IP Rating | None |
| Inputs | Bluetooth, RCA, Aux, Optical |
| Output Power | 80W (Woofer: 50W, Tweeters: 2x15W) |
| Party Mode | No |
| Power Bank | No |
| Power Input | AC Power brick |
| Stereo | Partially (1 woofer) |
| TWS | Yes |
| Voice Assistants | Yes |
| Weight | 10.3 lbs / 4.65 kg |
| Wifi | No |
| Woofer Cabinet | ported |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Marshall Stanmore II vs Marshall Acton II
- Marshall Stanmore II vs Marshall Acton III
- Marshall Stanmore II vs Klipsch The Three II
- Marshall Stanmore II vs Marshall Stanmore III
- Marshall Stanmore II vs Marshall Woburn I
- Marshall Stanmore II vs Klipsch The One II
- Marshall Stanmore II vs Marshall Woburn II
- Marshall Stanmore II vs Marshall Woburn III
- See all 9 comparisons