Klara Geist

Exclusive high-end mobile and stationary PA soundsystems. Handcrafted in Berlin. Designed with passion for detail. Highest quality components. Skillfully crafted. High-end audio performance. 
The official sound-outfitter for Bullitt Cargo Bikes. Professional Soundbike rental service. Branded promotion Soundbikes. Custom designs.

The Sounder / Serial Model / 2010

The Sounder is a powerful compact mobile soundsystem designed for spontaneous performances and parties. Fit to mount on larry vs harry legendary Bullitt cargobike it can be played while riding and is swiftly unmounted for stationary use. The Sounder is a mono-dipole soundsystem. A back to back speaker arrangement creates a unique sound experience. The system comes with integrated rechargable batteries and powerful digital amplifier. Up to 8 hours of playback, beautiful sound and plenty of power topped with elegant mobility… there are no limits to where you want take the party.

Technical Data

Housing material: Wood (of layered plate materials)
Dimensions: 55 x 40 x 50 cm
Weight: ~ 45 kg
Frequency response: 60 – 20.000 Hz
Amplifier: 1 x Digital Amplifier (600 Watt / max 115 dB SPL.)
Input: 1 x Line In (Player or Mixer) / 1 x 12 V DC (for charger)
Battery: sealed lead acid (~ 6 hours playback on max. volume)


Klara Geist / Lautsprechermanufaktur
Gartenstraße 90 / 17309 Pasewalk / Germany