SBS.1 Upgrade kit (Generation 1.5)

This kit will be available for delivery as soon as SBS Generation 2 is finalized. Expected shipping: March 2026.

Upgrade your original Sigberg Audio SBS.1 speakers with this upgrade kit!

This kit transforms your SBS.1 pair to what is essentially an SBS Generation 2 in an SBS.1 cabinet. We've called the result the SBS Generation 1.5.

The Upgrade includes:

• Two new midbass drivers, the same that can be found in SBS Generation 2
• Software update to SBS Generation 2 tuning improving the sound further from the original SBS.1
• Latest firmware update for the amplifiers

Delivery methods:

Alternative 1: Upgrade yourself

• We ship the new drivers to you, and you replace them yourself
  (Difficulty level: Easy. No soldering required, 15-30min job)
• Shipping for the drivers is included in the price of the upgrade kit.
• We schedule a convenient time where we update your tuning and firmware remotely (Windows Laptop/PC with Internet and USB connection required)

Alternative 2: Ship the speakers to us

• Ship the speakers to us 
• We upgrade everything, and ship it back.
• Shipping both ways will be charged separately (not included in the price of the upgrade kit)