Specifications
![Zero db IWR 821 is a 8", 3 way in-wall, made in Germany speakers for your home theater](https://static.wixstatic.com/media/169170_915b58ee47bc4decbe675d56858df8b0~mv2.jpg/v1/crop/x_455,y_509,w_4127,h_2751/fill/w_147,h_98,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/IWR-821%20(2).jpg)
Type : 8'', 3-way 4-unit full range speaker
Frequency Range : 36~35KHz(-10dB)
Frequency Response : 40~30KHz(±3dB)
Recommended Amplified Power : 50- 575W
![Zero db IWR 821 is a 8", 3 way in-wall, made in Germany speakers for your home theater](https://static.wixstatic.com/media/169170_c7c8f49b6e0541a3b497f210a288f9fe~mv2.jpg/v1/crop/x_537,y_553,w_3943,h_2628/fill/w_147,h_98,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/IWR-821%20(4).jpg)
Sensitivity(1W/1M) : 92dB
Maximum SPL : 118dB
Nominal Impedance : 4ohms
Crossover : 1.4KHz, 8KHz
![Zero db IWR 821 is a 8", 3 way in-wall, made in Germany speakers for your home theater](https://static.wixstatic.com/media/169170_6295ff058f6045b0a9d43a70a4e066dc~mv2.jpg/v1/crop/x_386,y_507,w_4264,h_2843/fill/w_147,h_98,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/IWR-821%20(3).jpg)
LF Woofer : 1x8" Ø35mmVC
Mid-range Driver: 2x3" Ø19mmVC
HF Driver : 1xAMT pneumatic compression driver
Product Size(WxDxH) :
Panel size: 294x4x710mm
Cabinet size: 254x145x680mm
Hole size(WxH): 260x686 (Depth>153mm)
Package Size(WxDxH) : 794x380x236mm
![Zero db IWR 821 is a 8", 3 way in-wall, made in Germany speakers for your home theater](https://static.wixstatic.com/media/169170_334c7fa931174dfe8d4bfba0bb9f024a~mv2.jpg/v1/crop/x_578,y_565,w_3844,h_2563/fill/w_147,h_98,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/IWR-821%20(1).jpg)
Net Weight : 14.8Kg/pc
Gross Weight : 16.65Kg/pc
Connectors : Nickel plated crimping terminal
Enclosure : High grade MDF, matt black painting
Grille : Wooden grille with acoustic cloth
Fittings : Screw type flying hook
![](https://static.wixstatic.com/media/169170_3208c5f8e402492d8f51a94bae6e9a4d~mv2.png/v1/fill/w_49,h_33,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/60cbd884475c6.png)
Speakers to rock your life...
IWR 821
German Brand
High Fidelity Sound Quality
40 Years’ Experience