Philips Norelco HQ9 SpeedXL Replacement Heads Go to amazon.com Related posts Top recommendation for hq9 blades FeaturePhilips Norelco HQ9 SpeedXL Replacement Heads DescriptionSpeedXL Replacement Heads for all Norelco SpeedXL and SmartTouchXL Shaving Systems. SpeedXl provides 50% more shaving surface for a faster, smoother and closer shave.