1. design: the 25th anniversary edition of Dana is painted in black, with a simple and elegant appearance. The signature version is made of natural wood skin, which makes the appearance more elegant.
2. Sound quality performance: Both the 25th anniversary edition and the signature edition of Dana adopt the same audio technology, but the sound quality performance may be slightly different due to different appearance materials.
3. Limited sale: The limited sale quantity of the 25th anniversary edition of Dana is 250 pairs, and the signed edition is even less, only 100 pairs. Therefore, the signature version is more precious in the market.
4. Signature: The signature version of Dana adds the musician's signature in appearance, which increases the collection value.