Phoenix Gold ZX20TC 0.78″ (20mm) Soft Dome Tweeter with Filter
The Phoenix Gold ZX20TC is a 0.78-inch / 20 mm soft dome tweeter with filter, sold as a pair and designed to work in a 2-way or 3-way system. Its compact housing and shallow 14 mm mounting depth make it easy to fit into factory tweeter locations or A-pillars, while the neodymium magnet and soft dome deliver a smooth, refined top end. The included 12 dB cable filter set is tuned for a 5000 Hz high pass to match the ZX65C midbass perfectly.
Key Features
- 20mm Soft Dome: Smooth, natural high-frequency reproduction with a soft sound character.
- Neodymium Magnet: Powerful, compact motor for an efficient, precise tweeter.
- 12dB Cable Filter Included: 5000Hz high-pass filter (12dB/Oct) for use in 2-way or 3-way systems, tuned to pair with the ZX65C.
- Tweeter Level Adjustment: Two level settings (0dB / -2dB) to fine-tune the treble to your car and taste.
- Ultra-Compact Housing: 40.5mm housing mounting diameter and only 14mm mounting depth for discreet installation almost anywhere.
- Flexible Mounting: Complete set of mounting accessories for recessed or surface mounting.
- Sold as a Pair: Ready to upgrade both sides of your front stage.
Technical Specifications
- Speaker Type: Soft Dome Tweeter
- Speaker Size: 0.78″ (20mm)
- Impedance: 4 Ohm
- Frequency Response: 1700Hz – 20kHz
- Power Handling (RMS): 15W
- Power Handling (MAX): 30W
- Sensitivity: 86.5dB (1W/1m)
- Fs: 1700Hz
- Magnet Type: Neodymium
- Crossover: 5000Hz high-pass filter (12dB/Oct)
- Tweeter Level Adjustment: 0dB, -2dB
- Mounting Diameter Tweeter Housing: 40.5mm (1.59″)
- Mounting Depth Tweeter Housing: 14mm (0.55″)
- Unit: Sold as pair
Add clean, detailed highs where space is tight with the Phoenix Gold ZX20TC – the compact soft dome tweeter with filter included.
















