The tweet bullet line NEO is a new product, lighter and more compact compared to the previous ST 25 model, offering superior performance thanks to the use of Neodymium N38 H for the motor units and the optimized FEM driver/horn design. The active version, ST 25A Neo, provides only a tweeter.

• Component: HIGH EFFICIENCY COMPRESSION DRIVER
• Size: 44 mm (1.8 in.)
• Power Handling - Peak: 100 W
• Impedance: 4 Ohm
• Voice Coil Ø: 25 mm (1 in.)
• Frequency Response: 3k ÷ 20k Hz
• Weight of one component: 0.39 kg (0.86 lb.)
• Magnet: Neodymium
• Dome: Aluminium
• Technical Specs:
• D: 35.5 mm
• Re: 2.9 Ohm
• Fs: 3900 Hz
• Le: 0.03 mH
• BL: 2.05 T*m
• Spl: 107 dB
• Physical Specs:
• A: 57 mm (2.24 in.)
• B: 43.5 mm (1.7 in.)
• C: 55.5 mm (2.19 in.)
• D: 29.7 mm (1.17 in.)