L1® Classic

Classic

This is the name now used to describe the L1 in the Bose^® Personalized Amplification System™ family of products.

Introduced in 2003, this remained in production until 2007 when the L1 Model I was introduced. Visually and audibly, almost identical, the main differences were:

L1 Classic

• See PS1 Powerstand Connections for a detailed view of the following
  • On the right side of the input/output panel, there are inputs for
    • All Amps In
    • Amp 1 In
    • Amp 2 In
    • Amp 3 In
  • There are outputs
    • Amp 1 Out
    • Amp 2 Out
    • Amp 3 Out (used for B1 Bass Modules)
  • Features above support accessing the three amplifiers separately. One application is to drive up to six B1 Bass Modules from a single PS1 Power Stand (Classic) / Model I.
• Units that were shipped with the Version 2 Presets have a blue ring around the Amp 3 output (for B1 Bass Modules).

L1 Model I

• Identified by orange labels and L1™ logo
• Simpler output panel (dropped Amp 1 out, Amp 2 out)
• RoHS compliant.