Replacement for several Mackie, EAW, P. Audio, Behringer, Cerwin Vega, Gemini, B-52, and Turbosound models Voice coil: 1.75" (44mm) Diameter: 2.75" (70mm) Length: 4.25" (108mm) Impedance: 8 ohm, DCR: 6 ohm Titanium dome with edge wound voice coil on Kapton former Fits Mackie: 1701-8, 17018, CD10-1701-8, CD10-1701, DC10-1701, DC10/1701-8, DC-10-1701, CD10/1701-8, SRM450, SRM-450, SRM 450, C300Z, C-300Z, C 300Z, SA-1521, SA1521, SA 1521, SR-1522, SR1522, SR 1522, 0025666, 0008093, 77005-014, S-215, S215 S 215, S-225, S225, S 225. Behringer: 44T30D8, 44P60A8, 44T60C8, 44P60-8, 44P60A-8, B-1220, B1220 B 1220, B-1520, B-1520, B 1520, EUROLIVE, B-315D, B315D, B412DSP, B 412DSP, 44T30D8, F-1220, F1220, F 1220. American Audio: BMD-450, BMD450, BMD 450. EAW: VR-51, VR51, VR 51, VR-M12, VRM12, VR M12, 1703-8, CD10-1703-8, CD10 1703-8, CD10/1703-8, CD10-1703-8, TW-44, TW44, DFX-TW-44. Mr. DJ: Pro-8000, Pro8000, Pro 8000. Gemini: GX-400, GX400, GX 400, GX-450, GX450, GX 450. Podium: PP1503A. P. Audio: 440, BMD-440, BMD440, 450, BMD-450, BMD450, BMD 450. P. Audio: Co-Ax BM-10, BM10, BM10CXA, BM-10CXA, BM-10CXHA, BM-12, BM12, BM12CXA, BM-12CXA, BM-12CXHA, BM-15, BM15, BM15CXA, BM-15CXA, BM15CXHA. Turbosound: RD-111, RD111, RD 111, RD-111-8, CD-111, CD111, CD 111, CD-111-8, TXD-121, TXD121, TXD 121, TXD-121-8, TXD-12M, TXD12M, TXD 12M, TXD-12M-8, TXD-151, TXD151, TXD 151, TXD-151-8, and many more! Note: Does NOT fit older style Mackie SRM450 with the M44Ti horn driver! Please check your model before ordering to make sure you are getting the correct diaphragm. We are ONE-STOP factory that offer many high pitch horn diaphragm, compression driver, tweeter. If you have any questions, pls contact us, we have professional engineers.