Countryman B2DW4FF05BSMF, Lectrosonics: SM, SMa, SMb, SMDa, SMDb, SMQ, SMQa, SMQV, SMV, UM400a, UM450, (W4) Standard gain for most uses, (B) Black, B2D Directional Lavalier
Countryman B2DW4FF05LSLF, Shure: AXT100+, BLX1, FP1, GLXD1, PG1, PGX1, PGXD1, QLXD1, SLX1, UC1, ULX1, ULXD1, UR1, UR1M, (W4) Standard gain for most uses, (L) Light Beige, B2D Directional Lavalier
Countryman B2DW5FF05LSM, Lectrosonics: SM, SMa, SMb, SMDa, SMDb, SMQ, SMQa, SMQV, SMV, UM400a, UM450, (W5) Mid gain for theatre head miking, (L) Light Beige, B2D Directional Lavalier