Dear Paul,

Thank you for your inquiry.

M4JS pickup can be wired in series or parallel. Musiman bass pickups are wired in parallel. And you can choosed both active or pass EQ according to your preference.

If you have further questions, please let us know.

Thanks & Best Regards,

Overseas Sales Dept.
Kate

Woosung Chorus Industries
#419-5 Cheongcheon-2 Dong Bupyeong-gu
Incheon 21314, Korea
Tel : +82 32 515 7940
Fax : +82 32 515 7941