1, Speaker specification of 4inch square chassis version, as following

(The golden cone version have the same datasheet/chassis dimension with white paper cone version)

Brand: AKISUI

Model: AS120FL42Ex/AS120FL52Ex

Impedance: 4ohm

Rated power: 60W

Max power handle: 100W

Speaker height: 70mm

Screw hole diameter: 115mm

Wood box hole cut: 95mm

Frequency response: 50-23KHz

Sensitivity: 90db/mw

VAS=7.5L

2, Here is the real shoot pictures for white paper cone version, which have the same chassis with Golden cone version above

3, Here is the speaker datasheet of AKISUI 4'' Round Frame version which can offer 4ohm and 8ohm both, OD=120mm