Size: Approximately 63cm wide x 19cm This item has not been tested to produce sound. I do not know if it will produce accurate sound. I may not be able to answer specialized questions. Please understand and agree to these conditions before purchasing. Shipping and replies are not available on weekends and holidays. Also, we may take long vacations during the summer and New Year holidays. We will announce these on our profile page. Please be sure to check for any updates to avoid problems. For items with included shipping, we may change the shipping method. Thank you for your understanding.