| ART NO | Specification | ||
| DA-1（4/4） | Double Bass(high-grade) |  |
Over 30 years,Handcraft Handwork paint Top:Spruce Back:Flame Maple Neck:Flame Maple Fingerboard:Ebony Domestic High-Grade String Domestic High Grade Bridge High Grade Brazilwood Bow Accessory:Jujube With Bag,rosin more |
| DA-2（4/4） | Double Bass(high-grade) |  |
Over 25 years,Handcraft Handwork paint Top:Spruce Back:Flame Maple Neck:Flame Maple Fingerboard:Ebony Domestic High-Grade String Domestic High Grade Bridge High Grade Brazilwood Bow Accessory:Jujube With Bag,rosin more |
| DA-3（4/4） | Double Bass(high-grade) |  |
Over 20 years,Handcraft Handwork paint Top:Spruce Back:Flame Maple Neck:Flame Maple Fingerboard:Ebony Domestic High-Grade String Domestic High Grade Bridge High Grade Brazilwood Bow Accessory:Jujube With Bag,rosin more |
| DA-4(4/4) | Double Bass(middle-grade) |  |
Over 15 years,Handcraft Handwork paint Top:Spruce Back:Flame Maple Neck:Flame Maple Fingerboard:Ebony Domestic Middle-Grade String Domestic Middle Grade Bridge Middle Grade Brazilwood Bow Accessory:Jujube With Bag,rosin more |
| DA-5(4/4) | Double Bass(popular-grade) |  |
Over 10 years,Handcraft Handwork paint Top:Spruce Back: Maple Neck: Maple Fingerboard:Ebony Domestic Normal-Grade String Domestic Normal Grade Bridge Normal Grade Brazilwood Bow Accessory:Jujube With Bag,rosin more |
| DA-6(4/4) | Double Bass(popular-grade) |  |
Over 5 years Top:Spruce Back: Plywood Neck: Maple Fingerboard:Jujube Domestic Normal-Grade String Domestic Normal Grade Bridge Normal Grade Brazilwood Bow Accessory:Jujube With Bag,rosin more |
| DA-7(4/4) | Double Bass(popular-grade) |  |
Top:Plywood Back: Plywood with flame Neck: Maple Fingerboard:Jujube Domestic Normal-Grade String Domestic Normal Grade Bridge Normal Grade Brazilwood Bow Accessory:Dyed Jujube With Bag,rosin more |
| DA-8(4/4) | Double Bass(popular-grade) |  |
Top:Plywood Back: Plywood Neck: Maple Fingerboard:Jujube Domestic Normal-Grade String Domestic Normal Grade Bridge Normal Grade Brazilwood Bow Accessory:Dyed Jujube With Bag,rosin more |