////////////////Q Acoustics 3050i Specifications:

Enclosure type: 2-way reflex
Bass Unit: 2 x 165 mm ( 6.5 in)
Treble Unit: 22 mm (0.9 in)
Frequency Response (+3 dB, -6 dB): 44 Hz – 30 kHz
Average Impedance: 6 Ohm
Minimum Impedance: 4 Ohm
Sensitivity (2.83 V@1 m): 91 dB
Stereo Amplifier: 25 - 100 W
AV Receiver (2 ch. driven): 50 - 165 W
Internal Amplifier Power: -
Crossover Frequency: 2.5 Hz
Effective Volume: 32.4 L (1977 cu in)
Dimensions H/D/W mm: 1020 x 310 x 320 (210mm without stabilizers) mm
Enclosure width: 200mm (7.9 in)
Weight (per speaker): 17.8 kg (39.2 lbs) ////////////// Q Acoustics 3020i Specifications:

Enclosure type: 2-way reflex
Bass Unit: 125 mm (5 in)
Treble Unit: 22 mm (0.9 in)
Frequency Response (+3 dB, -6 dB): 64 Hz – 30 kHz
Nominal Impedance: 6 Ω
Minimum Impedance: 4 Ω
Sensitivity (2.83 Vrms@1 m): 88 dB
Stereo Amplifier Power: 25 - 75w
AV Receiver (2 ch. driven): 50 - 75w
Crossover Frequency: 2.4kHz
Effective Volume: 6.1 L (372 cu in)
Dimensions H/W/D: 278 x 170 x 282 mm (11.0 x 6.7 x 11.1 in)
Weight (per speaker): 10.59 lbs / (4.8 kg) per speaker ////////////// Q Acoustics 3090Ci Specifications:

Enclosure type: 2-way reflex
Bass Unit: 2 x 100 mm (4 in)
Treble Unit: 22 mm (0.9 in)
Frequency Response (+3 dB, -6 dB): 75 Hz – 30 kHz
Average Impedance: 6 Ω
Minimum Impedance: 4 Ω
Sensitivity (2.83 Vrms@1 m): 89 dB
Stereo Amplifier Power: 25 - 100 W
AV Receiver (2 ch. driven): 50 - 165 W
Crossover Frequency: 2.7 kHz
Effective Volume: 6.6 L (403 cu in)
Dimensions H/W/D mm: 152 x 430 x 216 mm (6.0 x 16.9 x 8.5 in)
Weight (per speaker): 6 kg (13.2 lbs) ///////////////// Q Acoustics Q B12
Subwoofer Specifications:

Drive unit: 305mm (12in) high-excursion and stiffness paper, straight-sided cone.
Peak Amplifier Power: 440 W
Continuous Amplifier Power: 220 W
Power type: Class D
Frequency range: 28 Hz - 300 Hz
Crossover frequency range: 40Hz – 250Hz
Input impedance: 13 kΩ
Input sensitivity: 150 mV
Enclosure type: Infinite baffle
Enclosure material: MDF
Dimensions (H / W / D): 400 x 400 x 446 mm (15.7 x 15.7 x 17.6 in)
Weight: 47.40 lbs / (21.5 kg)

What’s in the box?

QB12 subwoofer
User manual
Power cable
4 x adjustable floor spikes
4 x floor spike locking rings
4 x floor spike covers