Comparison and Difference Between
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Brand and Model Specifications
Information about the brand, model release date.
| Manufacturer | Dali Speakers | Q Acoustics |
| Model | Opticon 2 | M20 |
| Photo |  |
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| Release Date | 2016 | 2021 |
| HifiSpecs Rating | ||
| Amazon Rating | ||
| Price |
Technical Specs
Technical characteristics of the speakers.
| Amplification Type | Passive | Active |
| Crossover Type | 2-Way | 2-Way |
| Enclosure type | Bass Reflex | Bass Reflex |
| Frequency Range (+/-3 dB)[Hz] | 59 - 27000 | 55 - 22000 |
| Frequency Range (-6dB)[Hz] | - | 55 - 22000 |
| Maximum SPL [dB] | 107 | 105 |
| Sensitivity (2,83 V/1 m)[dB] | 87 | 88 |
| Nominal Impedance (Ohms) | 4 | 6 |
| THD (Total Harmonic Distortion) | - | |
| Recommended Amplifier Power [W] | 30-150 | 25-75 |
| Crossover Frequency [Hz] | 2000 | 2,800 |
| Bass Reflex Tuning Frequency [Hz] | 46.5 | 49 |
| Driver Units | Tweeter: 1 x 28 mm soft dome |
Tweeter: 0.75″ dome tweeter |
| Connectivity | Wired | Wired/Wireless |
| Inputs | Single Wire | Bluetooth 5.0 with aptX-HD, 2 x TOSLINK Optical, RCA, 3.5 mm Aux |
| Outputs | - | RCA Sub Out |
| Magnetic Shielding | No | No |
Placements and Distances
Where and how to put them.
| Form Factor | Shelf, Stand | Shelf, Stand |
| Distance from Wall [cm] | 10 - 80 | 20 |
Dimensions and Weight
Physical characteristics of the speakers (without stands).
| Length | ~7.8 in ~198.12 mm ~19.81 cm |
~9 in ~228.6 mm ~22.86 cm |
| Width | ~11.9 in ~302.26 mm ~30.23 cm |
~6.1 in ~154.94 mm ~15.49 cm |
| Height | ~14 in ~355.6 mm ~35.56 cm |
~11.8 in ~299.72 mm ~29.97 cm |
| Weight (Single Speaker) | ~17.2 lb ~7801.79 g ~7.8 kg |
~11.02 lb ~4998.59 g ~5 kg |
| Shipping Weight | ~ lb ~ |