Aluminum housing and stainless steel back plate.

Aluminum housing and Brass back plate.

Brass normal & 斑紋純銀色(ANTIQUE SILVER).

Stainless steel and brass normal are machined metal.

斑紋純銀色(ANTIQUE SILVER) is colored at Momentum Factory Orii. It is an interesting shade of brass in spite of its silver color.

MIROAK-S is the tightest and sharpest of all MIROAKs, and is very sleek.

MIROAK-B has a slightly thicker overall sound and better resonance in the mid-high range than S.
The low frequency range is a little thicker and looser than that of the S.