There are various competing Firewire mixers available on the market in roughly the same price range because the NRV10, including the Mackie Onyx 1220, which presents 12 inputs (two greater than the NRV10) however only supplies two channels of output. https://products-dd.com/%E0%B9%81%E0%B8%AD%E0%B8%A3%E0%B9%8C/%E0%B9%81%E0%B8%AD%E0%B8%A3%E0%B9%8C-hisense-%E0%B8%94%E0%B8%B5%E0%B9%84%E0%B8%AB%E0%B8%A1-%E0%B8%A3%E0%B8%B5%E0%B8%A7%E0%B8%B4%E0%B8%A7%E0%B8%82%E0%B9%89%E0%B8%AD%E0%B8%94%E0%B8%B5-%E0%B8%82/