STAX Lambda was the elder naming rule for Omega, Sigma series. In 2015, STAX restarted Lambda series, and renamed is as Advanced Lambda, providing 3 models, SR-L700, SR-L500 and SR-L300, to be the 2nd product line. L300 remains the former structure, while L700 and L500 has newly designed enclosure, which differs them from SR-009. L700 is sold at $1425, and L500 is sold at $720. How will they perform? Be patient, we will soon give you an answer.
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