A:Answer Hello, John.
Thank you for your question. The SoundTouch SA-5 Amplifier is engineered to supply power and audio signals to passive speakers via speaker wire. The Amplifier includes built-in Bluetooth and Wi-Fi to receive music. This product does not include built-in speakers or a subwoofer.
For more in-depth information, please reach out to our SoundTouch specialists at 1-800-608-2673. They are available M-F 9AM to 9PM Eastern, and this team will be glad to help further.
Thank you, and have a great day!
Jesse - Bose Support