Most DD AUDIO Subwoofers offer Direct Connect lead wires. The most electrically efficient connection developed by DD. 

Benefits of using Direct Connect:

• No loss signal path by virtue of copper-to-copper connections.
• Secure, vibration free connections.
• Compatibility with all wire gauges.
• No more broken terminals.
• No bare wire exposed.
• FASTER!

Making the connection: 

1. Strip off 20mm or 3/4 of an inch from both conductors.
2. Twist together with the appropriate positive and negative wire from the amp.
3. Cap the end with a wire nut.
4. Enjoy!