Parts of speakers

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Across
  1. 3. opposite of low frequency
  2. 5. case for the driver and crossover network
  3. 6. box with an open back or a vent
  4. 7. converts electrical signals into sound waves
  5. 8. other word for crossover network
  6. 10. emerge by converted electrical signals
  7. 11. not used for ice cream in this case
Down
  1. 1. important for low frequencies
  2. 2. influences the force of the speaker
  3. 4. divides audio signals
  4. 9. filters the dirt