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ESB 3.28


1.1"/28 mm Dome Tweeter

Torcon® soft dome

High-loss damping suspension

N42 neodymium magnet 

SVS ventilation design

28 mm voice coil 

Optimized computer design 


Nominal Impedance: 4 Ohm

Nominal Power Handling: 90 Watt

Transient Power: 180 Watt

Freq. Response: 900 Hz ~ 25 KHz

Sensitivity: 91 dB 1W/1m

> 3.28 Data Sheet

ESB 3.165


6.5"/165 mm Mid-Woofer

Treated paper cone

Perbunan rubber suspension

Y-35 ferrite magnet 

Fiberglass reinforced ABS basket

Balanced cotton spider 

Double layer voice coil 


Nominal Impedance: 4 Ohm

Nominal Power Handling: 120 Watt

Transient Power: 240 Watt

Freq. Response: 65 Hz ~ 9 KHz

Sensitivity: 88.5 dB 1W/1m

> 3.165 Data Sheet


3.6K2CX (optional)

2-Way Passive Crossover

High thickness PCB copper

In-air tweeter inductor

Polyester tweeter capacitor

Oversized non-inductive resistors


Cut out Frequency: 3 KHz

Crossover Slope: 6 dB/Oct LP

12 dB/Oct HP

4-step tweeter level adjustment

Low Frequency section: 3.165

High Frequency section: 3.28

Power Handling: 300 W (Peak)

> 3.6K2CX Data Sheet

3.6K2  2-Way Speaker System

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