Comparison and Difference Between
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Brand and Model Specifications
Information about the brand, model release date.
| Manufacturer | Dali Speakers | JBL |
| Model | Opticon 2 | Arena B15 |
| Photo |  |
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| Release Date | 2016 | 2016 |
| HifiSpecs Rating | ||
| Amazon Rating | ||
| Price |
Technical Specs
Technical characteristics of the speakers.
| Amplification Type | Passive | Passive |
| Crossover Type | 2-Way | 2-Way |
| Enclosure type | Bass Reflex | Bass Reflex |
| Frequency Range (+/-3 dB)[Hz] | 59 - 27000 | 100 - 40000 |
| Frequency Range (-6dB)[Hz] | - | - |
| Maximum SPL [dB] | 107 | - |
| Sensitivity (2,83 V/1 m)[dB] | 87 | 86 |
| Nominal Impedance (Ohms) | 4 | 8 |
| THD (Total Harmonic Distortion) | - | - |
| Recommended Amplifier Power [W] | 30-150 | 20-100 |
| Crossover Frequency [Hz] | 2000 | - |
| Bass Reflex Tuning Frequency [Hz] | 46.5 | - |
| Driver Units | Tweeter: 1 x 28 mm soft dome |
Tweeter: 1-inch (25mm) soft dome tweeter |
| Connectivity | Wired | Wired |
| Inputs | Single Wire | Single Wire |
| Outputs | - | - |
| 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 | 15 |
Dimensions and Weight
Physical characteristics of the speakers (without stands).
| Length | ~7.8 in ~198.12 mm ~19.81 cm |
~8.6 in ~218.44 mm ~21.84 cm |
| Width | ~11.9 in ~302.26 mm ~30.23 cm |
~16.5 in ~419.1 mm ~41.91 cm |
| Height | ~14 in ~355.6 mm ~35.56 cm |
~18.5 in ~469.9 mm ~46.99 cm |
| Weight (Single Speaker) | ~17.2 lb ~7801.79 g ~7.8 kg |
~17.42 lb ~7901.58 g ~7.9 kg |
| Shipping Weight | ~ lb ~ |