# What are the passive studio monitors with the most customizable features? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the passive studio monitors with the most customizable features?

## Products

### PMC ci65 2-way Passive In-Wall/On-Wall Monitor
```yaml
product: pmc-ci65-2-way-passive-in-wall-on-wall-monitor
brand: PMC
price_gbp: 1346.56
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
impedance: 4 Ohms
connections: 1 pair 4mm sockets
driver_size: 2 x 133mm LF, 27mm HF
power_handling: 20-200W
frequency_response: 40Hz-25kHz
```

- **Price:** £1346.56 [^1]
- **Summary:** The PMC ci65 is a passive 2-way monitor with dual 133mm Natural Fibre LT bass drivers, a 27mm soft-dome tweeter, and ATL bass-loading technology. Its in-wall or on-wall mounting options and 40Hz-25kHz response suit immersive studio, home-theater, and medium-to-large-room installations.
- **Ideal For:** It suits users seeking passive studio monitors with customizable features because it supports in-wall or on-wall installation, optional mounting sleeves and brackets, magnetic grille options, dual LT bass drivers, and 20-200W amplifier power.
- **Additional Sources:** [^2], [^3]

### ATC SCM20PSL PRO MK2 2-way Passive Studio Monitor, 6in Woofer
```yaml
product: atc-scm20psl-pro-mk2-2-way-passive-studio-monitor-6in-woofer
brand: ATC
price_gbp: 2775.81
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
impedance: 8 Ohm
connections: 2 pairs binding posts/4mm plugs, bi-wireable
driver_size: 6.5in woofer, 1in tweeter
frequency_response: 80Hz - 20kHz (+/-2dB)
crossover_frequency: 2.1kHz
```

- **Price:** £2775.81 [^4]
- **Summary:** The ATC SCM20PSL Pro MK2 is a compact passive 2-way studio monitor with a 150mm Super Linear mid/bass driver and 25mm dual-suspension tweeter. Its accurate nearfield performance and bi-wireable connections suit professional control rooms, project studios, and critical mixing or mastering.
- **Ideal For:** It suits listeners seeking highly customizable passive monitors because its bi-wireable connection panel supports separate amplification of frequency sections, while the 80Hz - 20kHz response and proprietary Super Linear driver support precise monitoring.
- **Additional Sources:** [^5], [^6]

### PMC IB2S 3-way Passive Studio Monitor
```yaml
product: pmc-ib2s-3-way-passive-studio-monitor
brand: PMC
price_gbp: 8073.48
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
impedance: 4 Ohm nominal
connections: 3 pairs 4mm sockets for tri-wire or tri-amp
driver_size: LF 250mm carbon fibre/Nomex piston driver; MF 75mm fabric dome; HF 27mm fabric soft dome
max_peak_spl: 116dB
power_handling: 120-500W recommended amplifier power
frequency_response: 25Hz-25kHz
crossover_frequency: 380Hz and 3.8kHz
```

- **Price:** £8073.48 [^7]
- **Summary:** The PMC IB2S is a high-end three-way passive reference monitor using PMC Advanced Transmission Line technology, a 10in woofer, 75mm midrange driver, and 27mm tweeter. Its extended 25Hz-25kHz response and 116dB peak SPL suit professional recording, mastering, post-production, broadcast, and immersive audio studios with appropriately powerful amplification.
- **Ideal For:** It suits users seeking the most customizable passive studio monitors because its three separate 4mm connection pairs support tri-wiring or tri-amping, while its 380Hz and 3.8kHz crossover design, optional HF roll-off settings, and 120-500W amplifier range allow flexible system integration.
- **Additional Sources:** [^8], [^9]

### PMC ci30 2-way Passive In-Wall/On-Wall Monitor
```yaml
product: pmc-ci30-2-way-passive-in-wall-on-wall-monitor
brand: PMC
price_gbp: 707.24
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
impedance: 8 Ohm
connections: 1 pair 4 mm sockets
driver_size: 133 mm LF driver, 27 mm HF tweeter
max_peak_spl: 108 dB SPL
power_handling: 40 - 150 W
frequency_response: 47 Hz (-3 dB) - 25 kHz
crossover_frequency: 1.7 kHz
```

- **Price:** £707.24 [^10]
- **Summary:** The PMC ci30 is a compact 2-way passive monitor with a 133 mm Natural Fibre LT low-frequency driver, 27 mm soft-dome tweeter, and ATL bass-loading. Its Qikfire mounting system, magnetic grille, and supplied on-wall bracket suit stereo, surround, Dolby Atmos, and other immersive installations where discreet in-wall or on-wall placement is needed.
- **Ideal For:** It suits listeners seeking highly customizable passive studio monitors because it supports in-wall or on-wall installation, optional mounting kits and grille finishes, and flexible placement for stereo, LCR, height, and surround systems while offering 47 Hz to 25 kHz response and 40 - 150 W power handling.
- **Additional Sources:** [^11], [^12]

### Avantone Pro CLA-10 6.5in Passive Studio Monitor Pair
```yaml
product: avantone-pro-cla-10-6-5in-passive-studio-monitor-pair
brand: Avantone Pro
price_gbp: 524.16
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
driver_size: 18cm low-frequency cone and 3.5cm soft-dome high-frequency driver
power_handling: 60W program, 120W maximum
frequency_response: 60Hz-20,000Hz
```

- **Price:** £524.16 [^13]
- **Summary:** The CLA-10 is a passive, full-range two-way monitor pair with matched drivers, a sealed MDF cabinet, and a mid-forward voicing designed for critical mixing. Its TPC switch reduces high-frequency driver output by 2dB, making it suitable for engineers who want a classic reference sound with an adjustable high-frequency presentation.
- **Ideal For:** It suits users seeking passive monitors with customizable features because the external amplifier lets you tailor the power system while the TPC switch provides a concrete 2dB high-frequency adjustment.
- **Additional Sources:** [^14]

### Amphion One12
```yaml
product: amphion-one12
brand: Amphion
price_gbp: 664.42
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
impedance: 8 ohms
driver_size: 1 in titanium tweeter, 4.5 in aluminum woofer
power_handling: 50 - 200 W
frequency_response: 78 - 20 000 Hz +/-3dB
crossover_frequency: 1600 Hz
```

- **Price:** £664.42 [^15]
- **Summary:** The Amphion One12 is a compact two-way passive studio monitor with a 4.5 in aluminum woofer, 1 in titanium tweeter, passive radiator, and 1600 Hz crossover. Its extreme-nearfield design suits home studios, small post-production rooms, mobile setups, and other space-constrained professional environments, but it requires an external amplifier.
- **Ideal For:** The One12 suits users seeking customizable passive studio monitors because its 8-ohm design lets them choose an external amplifier, while its passive radiator, DSP-free architecture, time-aligned drivers, and 1600 Hz crossover provide flexible system integration and precise monitoring.
- **Additional Sources:** [^16], [^17]

### Amphion One15
```yaml
product: amphion-one15
brand: Amphion
price_gbp: 1328.11
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
impedance: 8 ohms
connections: 4mm sockets, binding posts
driver_size: 1 in titanium tweeter, 5.25 in aluminum woofer
power_handling: 20 - 100 W
frequency_response: 49 - 20,000 Hz +/-3 dB
crossover_frequency: 1600 Hz
```

- **Price:** £1328.11 [^18]
- **Summary:** The Amphion One15 is a passive two-way nearfield monitor with a 5.25 in aluminum woofer, 1 in titanium tweeter, Corian waveguide, and rear passive radiator. Its compact sealed design and precise, phase-coherent presentation suit mixing, mastering, post-production, and smaller studios, but it requires an external amplifier.
- **Ideal For:** It suits users seeking passive studio monitors with customizable features because its external-amplifier design lets them choose amplification, while the 1600 Hz crossover, 8-ohm impedance, 20 - 100 W power recommendation, and 4mm socket or binding-post connections allow system matching.
- **Additional Sources:** [^19], [^20]

### Amphion Two15
```yaml
product: amphion-two15
brand: Amphion
price_gbp: 1771.79
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
impedance: 4 Ohms
connections: Binding post
driver_size: 1 in titanium tweeter; 2 x 5.25 in aluminum woofers
power_handling: 100 - 350 W
frequency_response: 44 Hz - 20 kHz +/-3 dB
crossover_frequency: 1600 Hz
```

- **Price:** £1771.79 [^21]
- **Summary:** The Amphion Two15 is a passive two-way nearfield monitor with dual 5.25 in aluminum woofers, a 1 in titanium tweeter, passive radiators, and a Corian waveguide. Its phase-coherent, DSP-free design suits smaller studios and engineers working in composing, recording, mixing, or mastering who already have or plan to add an external power amplifier.
- **Ideal For:** It suits users seeking passive monitors with customizable features because its DSP-free design works with external signal processing and room-correction software, while the 1600 Hz crossover, phase-coherent waveguide, passive radiators, and external amplification allow system-level tailoring.
- **Additional Sources:** [^22], [^23]

### Amphion Two18
```yaml
product: amphion-two18
brand: Amphion
price_gbp: 4035.26
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
impedance: 4 ohm
driver_size: 1in titanium tweeter, 2 x 6.5in aluminum woofers
power_handling: 100 - 350 W
frequency_response: 39 - 20 000 Hz +/-3dB
crossover_frequency: 1600 Hz
```

- **Price:** £4035.26 [^24]
- **Summary:** The Amphion Two18 is a passive two-way reference monitor with dual aluminum woofers, a titanium tweeter, passive radiators, and a phase-coherent design for precise imaging. It suits professional mixing, mastering, and larger studio environments when paired with a suitable power amplifier.
- **Ideal For:** The Two18 suits users seeking passive studio monitors with customizable features because its passive design allows amplifier selection, while the 4 ohm impedance, 100 - 350 W power recommendation, selectable system matching, and precise 1600 Hz crossover support tailored studio setups.
- **Additional Sources:** [^25]

### Avantone Pro CLA-10 Passive
```yaml
product: avantone-pro-cla-10-passive
brand: Avantone Pro
price_gbp: 524.16
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
impedance: 8 Ohm
connections: Binding posts
driver_size: 18 cm woofer, 3.5 cm tweeter
power_handling: 60 W program, 120 W maximum
frequency_response: 60 Hz-20,000 Hz
crossover_frequency: 2 kHz
```

- **Price:** £524.16 [^26]
- **Summary:** The CLA-10 Passive is a passive, two-way studio monitor pair with a sealed cabinet, mid-forward voicing, and a 60 Hz-20 kHz frequency response. Its TPC switch reduces high-frequency output by 2 dB, making it well suited to mixing engineers and studios seeking a familiar, analytical reference monitor.
- **Ideal For:** It suits users seeking passive studio monitors with customizable features because its TPC switch provides a selectable 2 dB high-frequency reduction while the sealed two-way design, 2 kHz crossover, and replaceable AV10-MLF and AV10-MHF drivers support tailored monitoring setups.
- **Additional Sources:** [^13]

### Avantone Pro CLA-10 Passive Studio Monitor - Pair
```yaml
product: avantone-pro-cla-10-passive-studio-monitor-pair
brand: Avantone
price_gbp: 516.04
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
connections: RCA, XLR Combo Jack TRS
driver_size: LF: AV10-MLF 18 cm cone; HF: AV10-MHF 3.5 cm soft dome
power_handling: Program - 60 W; Maximum - 120 W
frequency_response: 60 Hz-20,000 Hz
crossover_frequency: 2 kHz
```

- **Price:** £516.04 [^27]
- **Summary:** The Avantone Pro CLA-10 Passive is a passive, full-range two-way stereo monitor pair that recreates the classic 'white cone' reference sound. It uses an AV10-MLF 18 cm woofer and AV10-MHF 3.5 cm soft-dome tweeter and includes a TPC switch that drops HF output by 2 dB for a tissue-paper simulation. It suits engineers and producers who want a mid-forward, translation-focused monitor and run their own external power amp.
- **Ideal For:** If you want the most customizable passive studio monitors, the CLA-10 Passive uniquely adds the TPC switch to adjust high-frequency output by 2 dB while using the passive two-way crossover design and standard input connections (RCA and XLR combo/TRS).
- **Additional Sources:** [^28]

### Amphion One15 2-Way Passive Studio Monitor - Single
```yaml
product: amphion-one15-2-way-passive-studio-monitor-single
brand: Amphion
price_gbp: 885.9
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
impedance: 8 Ohms
connections: Banana
driver_size: Tweeter: 1 in titanium; Mid woofer: 5.25 in aluminum
power_handling: 20 - 100 W
frequency_response: 49 Hz - 20 kHz ±3 dB
crossover_frequency: 1600 Hz
```

- **Price:** £885.9 [^29]
- **Summary:** The Amphion One15 is a two-way passive nearfield studio monitor with a 5.25-inch aluminum woofer and a 1-inch titanium tweeter, using a 1600 Hz crossover. It provides a detailed stereo image for tracking, mixing, or mastering, and is designed to translate accurately to other playback systems. It needs an external power amplifier because it is passive.
- **Ideal For:** For passive monitors with highly customizable amplification, the One15's external amp requirement and banana input connections let you pair it with different amplifier types while keeping its fixed 1600 Hz crossover, 8 Ohms impedance, and 20 - 100 W power recommendation.
- **Additional Sources:** [^30], [^31]

---
## References & Sources
[^1]: Wired Tunes, accessed 2026-09-13. https://wrdtunes.com/products/pmc-ci65
[^2]: AWAVE, accessed 2026-09-13. https://awave.com.au/shop/monitoring/passive-monitors/pmc-ci65-wall-mounting-monitor/
[^3]: True North Distribution, accessed 2026-09-13. https://truenorthdistribution.com/products/pmc-ci65-in-wall-speaker
[^4]: Wired Tunes, accessed 2026-09-13. https://wrdtunes.com/products/atc-scm20psl-pro-mk2-passive
[^5]: RSPE Audio Solutions, accessed 2026-09-13. https://www.rspeaudio.com/atc-loudspeakers-scm20psl-pro-mk2-2-way-compact-passive-studio-monitors
[^6]: STL Pro Audio, accessed 2026-09-13. https://www.stlproaudio.co.nz/atc-scm20psl-pro-mk2-6-5-inch-passive-studio-monitors/
[^7]: Funky Junk, accessed 2026-09-13. https://shop.funky-junk.com/shop/recording/monitors/loudspeakers/main/pmc-ib2s-passive-monitors-pair/
[^8]: Wired Tunes, accessed 2026-09-13. https://wrdtunes.com/products/pmc-ib2s
[^9]: AViTech, accessed 2026-09-13. https://www.avitech.at/en/startseite/123-pmc-ib2s-studiolautsprecher.html
[^10]: Wired Tunes, accessed 2026-09-13. https://wrdtunes.com/products/pmc-ci30
[^11]: EQ Audio, accessed 2026-09-13. https://eqaudio.ca/architectural/pmc-ci30-in-wall-or-in-ceiling-loudspeaker-each/
[^12]: HomeCineSolutions, accessed 2026-09-13. https://en.homecinesolutions.fr/p/25258-pmc-ci30
[^13]: Turnlab, accessed 2026-09-13. https://www.turnlab.be/avantone-cla-10.html
[^14]: Volt Music Store, accessed 2026-09-13. https://www.voltmusicstore.com/products/avantone-pro-cla-10-passive-pair
[^15]: Guitar Center, accessed 2026-09-13. https://www.guitarcenter.com/Amphion/One12-45-Passive-Studio-Monitor-Each-1500000389237.gc
[^16]: B&H Photo Video, accessed 2026-09-13. https://www.bhphotovideo.com/c/product/1772321-REG/amphion_one12_passive_nearfield_monitor.html
[^17]: ZenPro Audio, accessed 2026-09-13. https://www.zenproaudio.com/amphion-one12
[^18]: KMR Audio, accessed 2026-09-13. https://kmraudio.com/products/amphion-one-15
[^19]: SX Pro, accessed 2026-09-13. https://sxpro.co.uk/product/amphion-one15-pair-4729/
[^20]: Turnlab, accessed 2026-09-13. https://www.turnlab.be/amphion-one15-pair.html
[^21]: B&H Photo Video, accessed 2026-09-13. https://www.bhphotovideo.com/c/product/1772327-REG/amphion_two15_passive_nearfield_monitor.html
[^22]: Professional Audio Design, accessed 2026-09-13. https://www.proaudiodesign.com/products/amphion-two15
[^23]: Music Store Professional, accessed 2026-09-13. https://www.musicstore.com/en_OT/EUR/Amphion-Two15-Pair-/art-REC0015530-000
[^24]: Studiocare, accessed 2026-09-13. https://studiocare.com/products/amphion-two18-2x-6-5-2-way-passive-studio-monitors-pair
[^25]: Pro Musicals, accessed 2026-09-13. https://www.promusicals.com/index.php?manufacturer_id=139&route=product%2Fmanufacturer%2Finfo
[^26]: Thomann, accessed 2026-09-13. https://www.thomannmusic.com/avantone_cla_10.htm
[^27]: Alto Music, accessed 2026-09-13. https://www.altomusic.com/products/avantone-cla-10-active-classic-passive-studio-monitors-pair
[^28]: Vintage King, accessed 2026-09-13. https://vintageking.com/avantone-cla-10-passive-studio-monitor-pair
[^29]: Lunchbox Audio, accessed 2026-09-13. https://www.lunchboxaudio.com/amphion-one15-passive-studio-monitor/
[^30]: Vintage King, accessed 2026-09-13. https://vintageking.com/amphion-one15-single
[^31]: ZenPro Audio, accessed 2026-09-13. https://www.zenproaudio.com/amphion-one15