BZBGEAR
BG-UHD-KVM21A
Macro
TASKER
C279/NE
CABLE FOR SPEAKERS 4X4.00 BLACK 100MT
Black soft PVC sheath. Available in different colors. External cable Diam.13.00 (ñ 0.20) mm. Insulating core with PVC, colored: Red, Black, Blue and Green. Diam. 4.20 (ñ 0.20) mm. O.F.C. red copper...
TASKER
C816
MULTICOUPLE DIGITAL AUDIO CABLE 16X2X0.22 BLACK 100 MT
Soft sheath in black fireproof PVC. External cable Diam. 22,30 (ñ 0,20) mm. The pairs are wrapped together with polyester base tape. The single pairs are insulated with black fireproof PVC,...
TASKER
C286/BI
BALANCED MICROPHONE CABLE 2X0.22 WHITE 100 MT
Sheath in soft flame-retardant PVC. Available in different colors. External diameter. 3.80 (ñ 0.20) mm. Red copper shield O.F.C. 100% + spiral coverage O.F.C. tinned copper drain wire The cores are...
TASKER
C105TN
TRANSPARENT AUDIO BAND 2X0,75 100MT
Flexible audio cable for home theater installations. Soft PVC sheath, transparent 2.40x4.80 ( ñ 0.10) mm. A conductor of tinned copper O.F.C. and one of red copper O.F.C. Formation with 0.20 mm...
BZBGEAR
BG-UHD-KVM41A
4X1 4K UHD KVM-SWITCHER MIT USB 2.0 PERIPHERIE-ANSCHLUSS UND AUDIO-UNTERSTÜTZUNG
TASKER
C117
FLAT SCREEN DIVISIBLE 2X0.08 BLACK 200MT
Black soft PVC sheath. External Dim.1,90x4,00 (ñ 0,20) mm. The individual conductors are shielded with O.F.C. tinned copper spiral. which covers 100%. Insulating core with PVC, colored one white...
TASKER
C282
CABLE FOR SPEAKERS 8X4.00 BLACK 100MT
Sheath in soft black PVC. External diameter 16.60 (ñ 0.20) mm. Insulating core with PVC sheath - Diam. 4.20 (ñ 0.20) mm. Color code: 1) Red 2) Black 3) Blue 4) Green 5) Yellow 6) Gray 7) Brown 8)...
TASKER
C824
MULTICOUPLE DIGITAL AUDIO CABLE 24X2X0.22 BLACK 100 MT
Soft sheath in black fireproof PVC. External cable Diam. 28,30 (ñ 0,20) mm. The pairs are wrapped together with polyester base tape. The single pairs are insulated with black fireproof PVC,...
TASKER
C286/NE
BALANCED MICROPHONE CABLE 2X0,22 BLACK 100 MT
Sheath in soft flame-retardant PVC. Available in different colors. External diameter. 3.80 (ñ 0.20) mm. Red copper shield O.F.C. 100% + spiral coverage O.F.C. tinned copper drain wire The cores are...
TASKER
TSK802
MULTICOUPLE DIGITAL AUDIO CABLE 2X2X0.14 BLACK 100 MT
Black soft PVC sheath. external cable: 8.80 (ñ 0.10) mm. Individual pairs are insulated with black PVC, individually numbered and wrapped together with polyester base tape. Diam. 3.20 (ñ 0.10) mm....
TASKER
C118/BI
FLAT SCREEN DIVISIBLE 2X0.14 WHITE 100MT
Soft PVC sheath - Available in different colors. External cable Dimensions 2.90x5.80 (ñ 0.20) mm. The individual conductors are shielded with O.F.C.red copper spiral. which covers 100%. Insulating...
TASKER
C282SUPER
CABLE FOR SPEAKERS 8X4.00 BLACK 100MT
Black soft PVC sheath. External diameter 18.00 (ñ 0.20) mm. Core insulation with HT105 ø PVC sheath, black and numbered. Crown cores clustered around a rigid PE filling center end, wrapped with...
TASKER
C286LSHZ
BALANCED MICROPHONE CABLE LSZH 2X0,22 BLACK 100 MT
Black soft sheath L.S.Z.H .. Flame retardant and halogen free. Diameter of the outer cable. 3.80 (ñ 0.20) mm. Red copper shield O.F.C. 100% + spiral coverage O.F.C. tinned copper drain wire The...
TASKER
TSK804
MULTICOUPLE DIGITAL AUDIO CABLE 4X2X0.14 BLACK 100 MT
Black soft PVC sheath. cable outside: 10.30 (ñ 0.10) mm. Individual pairs are insulated with black PVC, individually numbered and wrapped together with polyester base tape. Diam. 3.20 (ñ 0.10) mm....
TASKER
C118/BL
FLAT SCREEN DIVISIBLE 2X0.14 BLU100MT
Soft PVC sheath - Available in different colors. External cable Dimensions 2.90x5.80 (ñ 0.20) mm. The individual conductors are shielded with O.F.C.red copper spiral. which covers 100%. Insulating...
TASKER
C287/GR
PROFESSIONAL QUAD AUDIO CABLE 2X2X0.22 GRAY 100 MT
Flame retardant soft PVC sheath - available in different colors. External cable Diam. 6,50 (ñ 0,20) mm. O.F.C. tinned copper braided shield 100% coverage + drain wire. The cores are twisted in...
TASKER
C288/GR
CABLE FOR SPEAKERS 4X2,50 GRAY 100 MT
Soft PVC sheath. - available in different colors. External cable Diam. 10,80 (ñ 0,20) mm. Insulating core with PVC sheath, in red, black, blue and green colors. Diam. 3.50 (ñ 0.20) mm. Formation of...
TASKER
C288/NE
CABLE FOR SPEAKERS 4X2,50 BLACK 100MT
Soft PVC sheath. - available in different colors. External cable Diam. 10,80 (ñ 0,20) mm. Insulating core with PVC sheath, in red, black, blue and green colors. Diam. 3.50 (ñ 0.20) mm. Formation of...
TASKER
TSK808
MULTICOUPLE DIGITAL AUDIO CABLE 8X2X0.14 BLACK 100 MT
Black soft PVC sheath. external cable: 12.90 (ñ 0.10) mm. Individual pairs are insulated with black PVC, individually numbered and wrapped together with polyester base tape. Diam. 3.20 (ñ 0.10)...
TASKER
C118/GI
FLAT SCREEN DIVISIBLE 2X0,14 YELLOW 100MT
Soft PVC sheath - Available in different colors. External cable Dimensions 2.90x5.80 (ñ 0.20) mm. The individual conductors are shielded with O.F.C.red copper spiral. which covers 100%. Insulating...
TASKER
C287/NE
PROFESSIONAL QUAD AUDIO CABLE 2X2X0.22 BLACK 100 MT
Flame retardant soft PVC sheath - available in different colors. External cable Diam. 6,50 (ñ 0,20) mm. O.F.C. tinned copper braided shield 100% coverage + drain wire. The cores are twisted in...
TASKER
C288LSHZ
CABLE FOR SPEAKERS 4X2,50 BLACK 100MT
With halogen-free sheath and low smoke generation - available in different colors. External cable Diam. 10.80 (ñ 0.20) mm. Insulating core with PVC sheath, in red, black, blue and green colors....
TASKER
C301/BI
MICROPHONE AUDIO CABLE 1X2X0.22 WHITE 100 MT
First soft PVC sheath - Available in different colors. External cable Diam. 6,20 (ñ 0,20) mm. Second PVC sheath with different density - Diam. 3.80 (ñ 0.20) mm. O.F.C. copper red Coverage spiral...
TASKER
TSK812
MULTICOUPLE DIGITAL AUDIO CABLE 12X2X0.14 BLACK 100 MT
Black soft PVC sheath. external cable: 15.60 (ñ 0.10) mm. Individual pairs are insulated with black PVC, individually numbered and wrapped together with polyester base tape. Diam. 3.20 (ñ 0.10)...
TASKER
C118/NE
FLAT SCREEN DIVISIBLE 2X0.14 BLACK 100MT
Soft PVC sheath - Available in different colors. External cable Dimensions 2.90x5.80 (ñ 0.20) mm. The individual conductors are shielded with O.F.C.red copper spiral. which covers 100%. Insulating...
TASKER
C289/GR
CABLE FOR ACOUSTIC SPEAKERS 4X2.50 + 4X4.00 GRAY 100 MT
Soft PVC sheath. - available in different colors. External cable Diam.16.50 (ñ 0.20) mm. Core insulation with PVC sheath. The 4x2.50 mm2 section cores have diam. 3.50 (ñ 0.20) mm. and are colored...
TASKER
C301/BL
MICROPHONE AUDIO CABLE 1X2X0,22 BLUE 100MT
First soft PVC sheath - Available in different colors. External cable Diam. 6,20 (ñ 0,20) mm. Second PVC sheath with different density - Diam. 3.80 (ñ 0.20) mm. O.F.C. copper red Coverage spiral...
TASKER
TSK816
MULTICUPLE DIGITAL AUDIO CABLE 16X2X0.14 BLACK 100 MT
Black soft PVC sheath. external cable: 17.90 (ñ 0.10) mm. Individual pairs are insulated with black PVC, individually numbered and wrapped together with polyester base tape. Diam. 3.20 (ñ 0.10)...
TASKER
C118/RO
FLAT SCREEN DIVISIBLE 2X0.14 RED 100MT
Soft PVC sheath - Available in different colors. External cable Dimensions 2.90x5.80 (ñ 0.20) mm. The individual conductors are shielded with O.F.C.red copper spiral. which covers 100%. Insulating...
TASKER
C289/NE
CABLE FOR SPEAKERS 4X2,50 + 4X4,00 BLACK 100 MT
Soft PVC sheath. - available in different colors. External cable Diam.16.50 (ñ 0.20) mm. Core insulation with PVC sheath. The 4x2.50 mm2 section cores have diam. 3.50 (ñ 0.20) mm. and are colored...
TASKER
C301/GI
MICROPHONE AUDIO CABLE 1X2X0,22 YELLOW 100 MT
First soft PVC sheath - Available in different colors. External cable Diam. 6,20 (ñ 0,20) mm. Second PVC sheath with different density - Diam. 3.80 (ñ 0.20) mm. O.F.C. copper red Coverage spiral...
TASKER
TSK824
MULTICUPLE DIGITAL AUDIO CABLE 24X2X0.14 BLACK 100 MT
Black soft PVC sheath. external cable: 22.70 (ñ 0.10) mm. Individual pairs are insulated with black PVC, individually numbered and wrapped together with polyester base tape. Diam. 3.20 (ñ 0.10)...
TASKER
C118/VE
FLAT SCREEN DIVIDING 2X0.14 GREEN 100MT
Soft PVC sheath - Available in different colors. External cable Dimensions 2.90x5.80 (ñ 0.20) mm. The individual conductors are shielded with O.F.C.red copper spiral. which covers 100%. Insulating...
TASKER
C301/GR
MICROPHONE AUDIO CABLE 1X2X0.22 GRAY 100 MT
First soft PVC sheath - Available in different colors. External cable Diam. 6,20 (ñ 0,20) mm. Second PVC sheath with different density - Diam. 3.80 (ñ 0.20) mm. O.F.C. copper red Coverage spiral...
TASKER
C119
FLAT SCREEN DIVISIBLE 4X0.14 BLACK 100MT
Black soft PVC sheath. External cable Dimensions 2.80x12.00 (ñ 0.10) mm. Each conductor has its own O.F.C.red copper shield. spiral, which covers 100%. Core insulation with PVC, colored black, red,...
TASKER
TSK101CPR
TWISTED SPEAKER CABLES - CPR CERTIFIED CLASS E 2X16 AWG BLACK 100MT
Black fireproof AVML PVC tubular sheath. External cable Diameter 6.80 (ñ 0.20) mm. Core insulation with PE sheath, colored one orange and one white. Twist pitch of 60 mm. Core diameter 2.50 (ñ...
TASKER
TSK1020
CABLE FOR SPEAKERS EXTRA-FLEXIBLE 2X1,50 BLUE 100 MT
Night Blue soft PVC sheath. External diameter of the cable 7.50 (ñ 0.10) mm. The cores are twisted in pairs with filling between the conductors and wrapped with non-woven polyester tape. Insulating...
TASKER
C301/NE
MICROPHONE AUDIO CABLE 1X2X0,22 BLACK 100MT
First soft PVC sheath - Available in different colors. External cable Diam. 6,20 (ñ 0,20) mm. Second PVC sheath with different density - Diam. 3.80 (ñ 0.20) mm. O.F.C. copper red Coverage spiral...
TASKER
C121
FLAT SCREEN DIVISIBLE 2X0.25 BLACK 100MT
Soft PVC sheath External cable dimensions 4.50x9.00 (ñ 0.20) mm. The individual conductors are shielded with O.F.C.red copper spiral. which covers 100%. Core insulation in compact PE, colored one...
TASKER
C124
FLAT SCREEN DIVISIBLE 2X0.12 BLACK 100MT
Black soft PVC sheath. Dimensions of the external cable: 2.40x5.00 (ñ 0.10) mm. The individual conductors are shielded with O.F.C.red copper spiral. which covers 100%. Insulating core with PVC,...
TASKER
TSK1021
CABLE FOR SPEAKERS EXTRA-FLEXIBLE 2X2,50 BLUE 100 MT
Night Blue soft PVC sheath. External diameter of the cable 9.00 (ñ 0.10) mm. The cores are twisted in pairs with filling between the conductors and wrapped with non-woven polyester tape. Insulating...
TASKER
C301/RO
MICROPHONE AUDIO CABLE 1X2X0.22 RED 100 MT
First soft PVC sheath - Available in different colors. External cable Diam. 6,20 (ñ 0,20) mm. Second PVC sheath with different density - Diam. 3.80 (ñ 0.20) mm. O.F.C. copper red Coverage spiral...
BZBGEAR
BG-VPTZ-30HSU3
1080P ALL-IN-ONE ZOOM 30X PTZ KAMERA
1080P PTZ-KAMERA ALL-IN-ONE-ZOOM 30X Die Kamera BG-VPTZ-HSU3 kann Bilder mit Auflösungen von bis zu 1080p bei 60 Hz aufnehmen. Mit gleichzeitigen HDMI-, 3G-SDI-, USB 3.0- und...
TASKER
TSK1024
CABLE FOR SPEAKERS EXTRA-FLEXIBLE 2X4,00 BLUE 50 MT
Night Blue soft PVC sheath. External diameter of the cable 10.50 (ñ 0.10) mm. The cores are paired with filling between the conductors and wrapped with non-woven polyester tape. Insulating core...
TASKER
C301/VE
MICROPHONE AUDIO CABLE 1X2X0.22 GREEN 100 MT
First soft PVC sheath - Available in different colors. External cable Diam. 6,20 (ñ 0,20) mm. Second PVC sheath with different density - Diam. 3.80 (ñ 0.20) mm. O.F.C. copper red Coverage spiral...
TASKER
C134TN
TRANSPARENT FLAT 2X4.00 50MT
Transparent PVC sheath. External dimensions of the cable 4.10 x8.20 (ñ 0.10) mm. Both conductors are OFC red copper. Special formation made with elementary threads intertwined in two passes to...
TASKER
C135TN
TRANSPARENT FLAT 2X6.00 50MT
Soft transparent PVC sheath. External dimensions of the cable 6.10 x14.00 (ñ 0.20) mm. Both O.F.C.red copper conductors, made with elementary wires wound in two passes to create the cores. Nominal...
TASKER
TSK103CPR
TWISTED SPEAKER CABLES - CPR CLASS E CERTIFICATE 2X14 AWG BLACK 100MT
Black fireproof AVML PVC tubular sheath. External cable Diameter 8.90 (ñ 0.20) mm. Core insulation with PE sheath, colored one orange and one white. 70 mm torsion pitch. Core diameter 3.40 (ñ 0.20)...
TASKER
TSK1026
MICROPHONE CABLE WITH LOW LOSS ZERO LOSS 2X0.25 BLACK 100 MT
Sheath in soft black PVC. External diameter 6.00 (ñ 0.20) mm. Spiral shield in O.F.C.red copper, coverage 100%. Special activated carbon screen tape. Insulating core with colored compact PE, one...
BZBGEAR
BG-VPTZN-20HSU3
KAMERA PTZ 1080P ALL IN ONE 20X ZOOM NDI
1080P PTZ-KAMERA ALL-IN-ONE-ZOOM 20X NDI Die Kamera BG-VPTZN-HSU3 kann Bilder mit Auflösungen von bis zu 1080p bei 60 Hz aufnehmen. Mit gleichzeitigen HDMI-, 3G-SDI-, USB 3.0- und...
TASKER
C138
FLAT SCREEN DIVISIBLE 2X0.25 BLUNOTTE 100MT
Midnight blue soft PVC sheath Dimensions of the external cable: 4.60x9.20 (ñ 0.10) mm. The individual conductors are shielded with O.F.C.red copper spiral. which covers 100%. Core insulation in...
TASKER
TSK1028
MICROPHONE CABLE WITH LOW LOSS ZERO LOSS 2X0.35 BLACK 100 MT
Sheath in soft black PVC. External diameter 6.30 (ñ 0.20) mm. Spiral shield in O.F.C.red copper, coverage 100%. Special activated carbon screen tape. Insulating core with colored compact PE, one...
TASKER
TSK105CPR
TWISTED SPEAKER CABLES - CPR CERTIFIED CLASS E 2X12 AWG BLACK 100MT
Black fireproof AVML PVC tubular sheath. External cable Diameter 11.00 (ñ 0.20) mm. Core insulation with PE sheath, colored one orange and one white. 90 mm torsion pitch. Core diameter 4.00 (ñ...
BZBGEAR
BG-VPTZN-30HSU3
KAMERA PTZ 1080P ALL IN ONE 30X ZOOM NDI
1080P PTZ-KAMERA ALL-IN-ONE-ZOOM 30X NDI Die Kamera BG-VPTZN-HSU3 kann Bilder mit Auflösungen von bis zu 1080p bei 60 Hz aufnehmen. Mit gleichzeitigen HDMI-, 3G-SDI-, USB 3.0- und...
BZBGEAR
BG-ADAMO-JR12X-B
1080P FHD 12X PTZ KAMERA MIT AUTOMATISCHER VERFOLGUNG - SCHWARZ
PTZ-KAMERA 1080P ZOOM 12X AUTO TRAKING BG-ADAMO-JR ist eine brandneue Full-HD-PTZ-Kamera mit drei verfügbaren Objektivtypen: 12-facher optischer Zoom mit FOV 70,3, 20-facher optischer Zoom mit FOV...
TASKER
C180
FLAT SCREEN DIVISIBLE 3X0.14 BLACK 100MT
Black soft PVC sheath. External cable Dimensions 2.80x8.40 (ñ 0.10) mm. Each conductor has its own O.F.C.red copper shield. spiral, which covers 100%. Core insulation with PVC, colored black, red...
TASKER
TSK1033
MICROPHONE AUDIO CABLE 2X0,22 BLUE 100 MT
Night blue soft flame retardant PVC sheath. External cable Diam. 6,20 (ñ 0,20) mm. Copper red copper shield O.F.C. 100% spiral coverage. White inner sheath between conductors and shield. Core...
TASKER
TSK106CPR
TWISTED SPEAKER CABLES - CPR CERTIFIED CLASS E 2X11 AWG BLACK 100MT
Black fireproof AVML PVC tubular sheath. External cable Diameter 11.00 (ñ 0.20) mm. Core insulation with PE sheath, colored one orange and one white. 130 mm torsion pitch. Core diameter 4.20 (ñ...
BZBGEAR
BG-VPTZ-CM
DECKENTRÄGER FÜR RÄUME DER SERIE VPTZ
WANDHALTERUNG FÜR RÄUME DER VPTZ-SERIE BG-VPTZ-CM ist eine Deckenhalterung für die Kameras der VPTZ-Serie von BZBGEAR. Es handelt sich um eine Halterung mit schlankem Profil, mit der die Kamera an...
BZBGEAR
BG-ADAMO-JR12X-W
1080P FHD 12X PTZ KAMERA MIT AUTOMATISCHER VERFOLGUNG - WEISS
PTZ-KAMERA 1080P ZOOM 12X AUTO TRAKING BG-ADAMO-JR ist eine brandneue Full-HD-PTZ-Kamera mit drei verfügbaren Objektivtypen: 12-facher optischer Zoom mit FOV 70,3, 20-facher optischer Zoom mit FOV...
TASKER
C191TS
TRANSPARENT AUDIO BAND 2X1,00 100MT
Soft transparent PVC sheath. External dimensions of the cable 2.80x5.60 (ñ 0.20) mm. A conductor in tinned copper O.F.C. and one of O.F.C. Red Copper, both made with elementary wires wound in two...
TASKER
TSK1034
MICROPHONE AUDIO CABLE 2X0,40 BLUE 100 MT
Soft night blue flame retardant PVC sheath. External diameter of the cable 6.70 (ñ 0.20) mm. Copper red copper shield O.F.C. 100% spiral coverage. White inner sheath between conductors and shield....
BZBGEAR
BG-VPTZ-WM
WANDHALTERUNG FÜR KAMERAS DER VPTZ-SERIE
WANDHALTERUNG FÜR RÄUME DER VPTZ-SERIE BG-VPTZ-WM ist eine Wandhalterung für die VPTZ-Kameraserie. Mehrere Aussparungen ermöglichen vielseitige Montagemöglichkeiten und Kabelführung. Diese...
TASKER
TSK107CPR
TWISTED SPEAKER CABLES - CPR CERTIFIED CLASS E 2X9 AWG BLACK 100MT
Black fireproof AVML PVC tubular sheath. External cable Diameter 12.40 (ñ 0.20) mm. Core insulation with PE sheath, colored one orange and one white. 145 mm torsion pitch. Core diameter 5.00 (ñ...
TASKER
TSK108CPR
TWISTED SPEAKER CABLES - CPR CERTIFIED CLASS E 2X8 AWG BLACK 100MT
Black fireproof AVML PVC tubular sheath. External cable Diameter 14.40 (ñ 0.20) mm. Core insulation with PE sheath, colored one orange and one white. 155 mm torsion pitch. Core diameter 5.70 (ñ...
TASKER
TSK1044
QUAD AUDIO CABLE - PLAY SONORA 2X2X0,22BLU 100 MT
Night blue fireproof PVC sheath. External diameter of the cable 5.20 (ñ 0.10) mm. O.F.C. tinned copper braided shield 95% coverage + drain wire. Cores are twisted in pairs with textile filler...
BZBGEAR
BG-ADAMO-JR30X-B
1080P FHD 30X PTZ KAMERA MIT AUTOMATISCHER VERFOLGUNG - SCHWARZ
PTZ-KAMERA 1080P ZOOM 30X AUTO TRAKING BG-ADAMO-JR ist eine brandneue Full-HD-PTZ-Kamera mit drei verfügbaren Objektivtypen: 12-facher optischer Zoom mit FOV 70,3, 20-facher optischer Zoom mit FOV...
TASKER
C192TS
TRANSPARENT AUDIO BAND 2X1,50 100MT
Soft transparent PVC sheath. External dimensions of the cable 3.00x6.00 (ñ 0.20) mm. A conductor in tinned copper O.F.C. and one of O.F.C. Red Copper, both made with elementary wires wound in two...
BZBGEAR
BG-ADAMO-JR30X-W
1080P FHD 30X PTZ KAMERA MIT AUTOMATISCHER VERFOLGUNG - WEISS
PTZ-KAMERA 1080P ZOOM 30X AUTO TRAKING BG-ADAMO-JR ist eine brandneue Full-HD-PTZ-Kamera mit drei verfügbaren Objektivtypen: 12-facher optischer Zoom mit FOV 70,3, 20-facher optischer Zoom mit FOV...
Unsere Produkte
ZZIPP
HD2ZZ1500
HDMI 2.0 ULTRA HD KABELVERBINDUNG METALL VERGOLDET 15MT
HDMI Typ A Kabel (19 Pins) ULtra HD mit Metallsteckern und goldener Oberfläche. Standard: HDMI v.2.0 und niedriger Unterstützt eine Datenübertragungsbandbreite von bis zu 18 Gigabit pro Sekunde...
ZZIPP
JZZJ100
PROFESSIONELLES INSTRUMENTENKABEL 1 M KLINKE KLINKE
Professionelles Kabel für Musikinstrumente 6,35mm symmetrischer Klinkenstecker (TRS) - 6,35mm symmetrischer Klinkenstecker (TRS) Symmetrisches Audiokabel Niedriges Rauschen HQ Länge 1m...
ZZIPP
ZZNF500
LIQUID X RAUCHMASCHINE 5LT STANDARD (HERGESTELLT IN ITALIEN)
Standardflüssigkeit für Nebelmaschine, 5-Liter-Tank. Produkt HERGESTELLT IN ITALIEN. Geeignet für alle Anwendungen, bei denen eine verschleierte und nicht sehr anhaltende Wirkung erforderlich ist....