Knowles Sound Solutions (former NXP BL Sound Solutions) releases a rectangular micro size speaker called RA13x18x4.5 DUMBO whose dimensions are 13 x 18 x 4.5 mm.

It has been optimized for extended low frequencies and complies according to the IPX7 waterproof standard.
It is a performing device developed with the most advanced technologies and suits both mono and stereo applications.

Key features:

• • Optimized for extended low frequencies
  • Easy mechanical integration due to rectangular shape
  • Compound membrane for minimum THD, Q-factor and tumbling
  • Increased Power Handling Capacity
  • Compliant according to the IPX7 waterproof standard

Specifications:

• • Impedance: 8 Ohms
  • Sensitivity: 73 dB (1W/1m)
  • Power ratio: 0.7 / 1 W nominal / max (shaped noise)
  • Resonance: 290 Hz (open back)
  • Frequency range: 500 – 16000 Hz