Magnet Type
Nominal diameter (in/mm)
Program power (W)
Voice Coil Diameter (in)
Nominal Impedance (ohm)
Sensitivity (db 1W/1m)


Key Features

2” neodymium extended range transducer
83 dB SPL 1W / 1m average sensitivity
25 mm (1 in) Voice coil
Neodymium magnetic motor
Weather proof cone for outdoor usage
Specially designed for ultra compact enclosures

General Specifications

Musical power (W): 60
Nominal power AES (W) 30
Nominal diameter (''/mm) 2/50
Nominal impedance (Ω) 8
Voice coil diameter (mm): 25
Sensitivity 1W/1m (dB) 83
Spare part code

Thiele Small Parameters

Re 7,1 ohm
Fs 100 Hz
Qms 5.3
Qes 0.29
Qts 0.27
Mms 2.15 g
D 4.1 mm
Vas 0,3 l
BxL 5.9 Tm
Linear Mathematical Xmax 2.5 mm
n 0,1
Le (1kHz) 0.2 mH


Basket Type Iron
Magnet Type Neodymium
Cone Material Aluminum
Suspension Material Rubber
Spider Material Fabric
Former material Kapton
Winding material Copper
Connector type faston
Cone shape Exponential
Gap height 3,5 mm


Applications multimedia
Recommended Loading Bass reflex
Loading Volume 0.3 l
Tuning Frequency 120 Hz
Frequency range 110 - 17000 Hz

Dimension and weight

Overall diameter 54,3 mm
Total depth 40 mm
Flange thickness 0,6 mm
Front mount baffle cutout diameter 49 mm
N. of mounting holes 4
Mounting holes diameter (mm) 4 mm
Bolt circle diameter 30 mm
Gross weight 180 g


Model Code Info
NDI 2.25 PNDI2.25

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