Sustained Acoustic Medicine for Chronic Low Back Pain Secondary to Herniated Nucleus Pulposus or Other Conditions

Inclusion Criteria: * Diagnosis of Chronic low back pain, may be secondary to herniated nucleus pulposus (HNP) or other causes * 18-60 years of age, inclusive * Has Numeric Rating Scale (NRS) pain severity score of at least 4 for a minimum 5 days over the 1 week Baseline Period prior to being randomized to treatment * Pain lasting \>3 months * Has MRI from within 2 months prior to Screening (If no recent MRI is available, then subject must agree to have MRI performed prior to randomization of treatment) * If pain is secondary to HNP: MRI within the last 2 months demonstrating the presence of a herniated disc; herniated disc is laterally located and not centrally located; herniated disc is not sequestered * Has the presence of radicular pain as assessed by a health care practitioner * Is willing and able to self-administer treatment daily within their place of residence or during normal daily activity, excluding bathing, showering, or other water activities which may result in submersion of the study device. * Is maintained on a stable pain management regimen, which may include opioid and/or non-opioid analgesic medications, but must be willing to keep dosage(s) stable through the study period; any dose adjustments that the investigator feels are required during the study period must be discussed with the study sponsor; and the use of any medications must be documented in the subject's Medication Log. * Be willing to discontinue any other interventional treatment modalities o…