The ED3402 is a driver. The throat diameter is 1 inch. The power rating is 20W (RMS) and the impedance is 8Ω. Compatible with CSP8/CSP8P/CSP10/CSP10P/CSX10/CSX10P.
The ED4401 is a driver. The throat diameter is 1 inch. The impedance is 8 ohms and the power handling capacity is 25W (RMS). It is compatible with CSP12/CSP12P/CSP15/CSP15P/CSX15/CSX15P.
The CPD75II is a driver. Compatible with the CP12II/CP12IIP/CP15II/CP15IIP. The throat diameter is 1.4 inches. The power rating is 50W, and the impedance is 8Ω.