Product details

The Ground Zero GZCT 25M-SPL is a 100 Watts max (70 Watts RMS), high-performance 25 mm / 1″ dome tweeter set designed by Ground Zero Audio. It is built specifically to deliver crisp, clear high frequencies in high-output car audio and SPL (Sound Pressure Level) competition setups. Key Specifications & Features Diaphragm Material: Premium Mylar dome for structural rigidity and sharp high-frequency reproduction. Motor & Voice Coil: Powerful neodymium magnet motor paired with a 25 mm / 1″ high-temperature voice coil. Thermal Management: Ferrofluid cooled to handle continuous power spikes without overheating. Electrical Parameters: 4 Ohms impedance with an efficiency rating of 84 dB. Frequency Range: 3,000 Hz to 20,000 Hz. Included Crossover: Comes packaged with an in-line 12 dB/octave high-pass filter set to a 5,500 Hz cutoff frequency to protect the tweeters from low-end bass damage. Physical Dimensions: Compact 48 mm (1.89″) mounting diameter and a shallow 16 mm (0.63″) mounting depth, making it highly versatile for custom A-pillars, dashboards, or door panels.