Bonedo published detailed reviews of PHONON headphones, including the SMB-01L, SMB-02 and SMB-03, by Mijk Van Dijk.

The SMB-01L received the highest rating of five out of five stars.

The SMB-01L is in the top league of headphones for perfect sound. The sound image is very vivid and detailed, and the high frequencies are crystal clear and very transparent.