Ben Q Mx613St Projector Replacement assembly with Genuine OEM bulb inside. The assembly has a genuine OEM bulb inside. The bulb is produced by one of the industry's leading bulb manufacturers: Philips, Osram, Ushio or Phoenix. The OEM bulb is engineered to perform exactly to the exact projector manufacturer specifications and requirements. This high quality projector bulb for Ben Q Mx613St projector will provide bright and high quality image that will last the test of time.