Compare Sundown Audio | SIA-3500Dv2 [USED/REFURBISHED] MSRP: $503.99 $349.99 Choose Options Quick Look
![CONCRETE AUDIO | CA5000.1FBDS [USED/REFURBISHED]](https://cdn11.bigcommerce.com/s-p3mv4js9ze/images/stencil/160w/products/1033/5457/50001fbds__32615.1760638958.jpg?c=2 "CONCRETE AUDIO | CA5000.1FBDS [USED/REFURBISHED]")
![CONCRETE AUDIO | CA3500.1FBDS [USED/REFURBISHED]](https://cdn11.bigcommerce.com/s-p3mv4js9ze/images/stencil/160w/products/1032/5452/1760638450184__73915.1760638454.png?c=2 "CONCRETE AUDIO | CA3500.1FBDS [USED/REFURBISHED]")
![Sundown Audio | SALT-1.5 [SCRATCH/DENT]](https://cdn11.bigcommerce.com/s-p3mv4js9ze/images/stencil/160w/products/1030/5447/Screenshot_2025-10-09_130127__12726.1760029771.1280.1280__99101.1760029844.jpg?c=2 "Sundown Audio | SALT-1.5 [SCRATCH/DENT]")
![Sundown Audio | SALT-1.5 [USED/REFURBISHED]](https://cdn11.bigcommerce.com/s-p3mv4js9ze/images/stencil/160w/products/1029/5445/Screenshot_2025-10-09_130127__12726.1760029771.jpg?c=2 "Sundown Audio | SALT-1.5 [USED/REFURBISHED]")
![Sundown Audio | SIA-5000D [USED/REFURBISHED]](https://cdn11.bigcommerce.com/s-p3mv4js9ze/images/stencil/160w/products/1027/5443/Screenshot_2025-10-02_142743__93845.1759429991.png?c=2 "Sundown Audio | SIA-5000D [USED/REFURBISHED]")
![Sundown Audio | SIA-8000D [USED/REFURBISHED]](https://cdn11.bigcommerce.com/s-p3mv4js9ze/images/stencil/160w/products/1025/5414/Screenshot_2025-10-02_140548__16595.1759428889.png?c=2 "Sundown Audio | SIA-8000D [USED/REFURBISHED]")
![Sundown Audio | SIA-3500Dv2 [USED/REFURBISHED]](https://cdn11.bigcommerce.com/s-p3mv4js9ze/images/stencil/160w/products/1022/5403/SIA-3500D_V.2_1__42804.1758721674.jpg?c=2 "Sundown Audio | SIA-3500Dv2 [USED/REFURBISHED]")
![DS-18 | GFX-5K1 1-OHM [USED/REFURBISHED]](https://cdn11.bigcommerce.com/s-p3mv4js9ze/images/stencil/160w/products/1013/5365/Screenshot_2025-08-06_151535__11158.1754508006.png?c=2 "DS-18 | GFX-5K1 1-OHM [USED/REFURBISHED]")
![Sundown Audio | SAE-2000D V.3 | [SCRATCH/DENT]](https://cdn11.bigcommerce.com/s-p3mv4js9ze/images/stencil/160w/products/1009/5344/1707599087315__73447.1707599094.1280.1280__17469.1753117562.jpg?c=2 "Sundown Audio | SAE-2000D V.3 | [SCRATCH/DENT]")
![SKAR AUDIO | SKv2-4500.1D [USED/REFURBISHED]](https://cdn11.bigcommerce.com/s-p3mv4js9ze/images/stencil/160w/products/1008/5338/61en2Yz4gQL._UF8941000_QL80___00709.1750274626.jpg?c=2 "SKAR AUDIO | SKv2-4500.1D [USED/REFURBISHED]")
![PRV | A1MH-NANO [USED/REFURBISHED]](https://cdn11.bigcommerce.com/s-p3mv4js9ze/images/stencil/160w/products/986/5265/wu8oele6dqykgf0gctw8__20774.1741808906.jpg?c=2 "PRV | A1MH-NANO [USED/REFURBISHED]")
![Surge Audio | PL-3000.1 [USED/REFURBISHED]](https://cdn11.bigcommerce.com/s-p3mv4js9ze/images/stencil/160w/products/972/5216/20241108_143359__89920.1731094677.jpg?c=2 "Surge Audio | PL-3000.1 [USED/REFURBISHED]")
