2 vnt. Amerikiečių gamybos, su ekvalaizeriais. 3 juostų. Garsas nerealus. Skersmuo su apdaila 30 cm.
http://www.sonance.com/
Info:
The DR7001 is a 3-way round speaker featuring an 8" dual voice-coil woofer, 2-1/2" polypropylene cone midrange, and a 3/4" pivoting aluminum dome tweeter. The speaker has four DIP switch adjustments for room equalization. This is the worlds first high fidelity 3-way round in-ceiling speaker. The DR7001s high performance and dispersion pattern is perfect for full range surround sound applications. (Sonic signature matches the D8001 and D7001.)

Design: In-Ceiling Infinite Baffle

Tweeter: 3/4" (19mm) Pivoting Aluminum dome with neodymium magnet and Ferrofluid cooled voice-coil

Midrange: 2-1/2" (63.5mm) Polypropylene cone

Woofer: 8" (203mm) Dual voice coil reinforced glass composite with reverse rubber surround

Frequency Response: 32Hz to 20,000Hz 2dB

Impedance: 6 ohms nominal, 4 ohms minimum

Power Handling: 5 to 125 watts

Efficiency: 91dB 1W/1m

Grilles: Metal

Adjustments: 4 DIP switches allow for frequency response tailoring

Speaker Dimensions (Dia x D): 12" x 4-3/4" (305mm x 121mm)

Grille Dimensions (Dia): 9-19/32" (244mm)

Retrofit FlexBar Cutout (Dia): 9-15/16" (252mm)

Shipping Weight: 17 lbs (7.7 kg)