[
    {
        "role": "user",
        "content": "which%20Behringer%20Uphoria%20interface%20has%2018%20inputs%20and%2020%20outputs"
    },
    {
        "role": "assistant",
        "content": "The Behringer U-Phoria model that offers **18 inputs and 20 outputs** is the **Behringer UMC1820**. Here are some of its key details:\n\n---\n\n### \ud83d\udd0d Key Specifications of the UMC1820\n\n- Input/Output Count: 18 inputs / 20 outputs. ([guitarcenter.com](https://www.guitarcenter.com/Behringer/U-PHORIA-UMC1820-USB-Audio-Interface-1500000016729.gc?utm_source=openai))  \n- Input types: 8 analog inputs (XLR/TRS combo; each supports mic, line or instrument level), plus digital inputs via ADAT and S/PDIF. ([bhphotovideo.com](https://www.bhphotovideo.com/c/product/1025700-REG/behringer_u_phoria_umc1820_audiophile_18x20_24bit_96khz_interface.html/overview?utm_source=openai))  \n- Output types: 10 analog outputs (TRS), along with digital outputs via ADAT and S/PDIF. It also features two headphone outputs. ([bhphotovideo.com](https://www.bhphotovideo.com/c/product/1025700-REG/behringer_u_phoria_umc1820_audiophile_18x20_24bit_96khz_interface.html/overview?utm_source=openai))  \n- Resolution & Sample Rate: 24-bit / 96 kHz. ([guitarcenter.com](https://www.guitarcenter.com/Behringer/U-PHORIA-UMC1820-USB-Audio-Interface-1500000016729.gc?utm_source=openai))  \n- Additional Features:  \n  \u2022 Eight MIDAS-designed mic preamps with phantom power. ([avlgear.com](https://avlgear.com/products/behringer-umc1820-u-phoria-18x20-usb-audio-and-midi-interface?utm_source=openai))  \n  \u2022 USB 2.0 connectivity and MIDI in/out. ([bhphotovideo.com](https://www.bhphotovideo.com/c/product/1025700-REG/behringer_u_phoria_umc1820_audiophile_18x20_24bit_96khz_interface.html/overview?utm_source=openai))  \n  \u2022 Rackmount 1-U footprint, robust metal chassis. ([avlgear.com](https://avlgear.com/products/behringer-umc1820-u-phoria-18x20-usb-audio-and-midi-interface?utm_source=openai))  \n\n---\n\nIf you want to compare it to other U-Phoria models (for example, with fewer or different I/O configurations) or check compatibility with your setup (e.g. macOS, DAW, expansion options), I can help with that too."
    },
    {
        "role": "user",
        "content": "%20how%20much%20do%20they%20cost%20and%20where%20can%20i%20bbuy%20one"
    },
    {
        "role": "assistant",
        "content": "The Behringer UMC1820 generally costs about **US $229 new** in major U.S. music gear retailers. ([bhphotovideo.com](https://www.bhphotovideo.com/c/product/1821217-REG/behringer_umc1820_audiophile_18x20_24_bit_96khz_usb.html/overview?utm_source=openai))\n\n---\n\n### \ud83d\uded2 Where You Can Buy It\n\nHere are some reputable places you can order a UMC1820 from currently:\n\n| Retailer | Price* | Notes |\n|---|---|---|\n| Sweetwater | **$229** | Currently in stock; often includes their \u201cTotal Confidence Coverage\u201d warranty. ([sweetwater.com](https://www.sweetwater.com/store/detail/UMC1820--behringer-u-phoria-umc1820-usb-audio-interface?utm_source=openai)) |\n| B&H Photo Video | **$229** | In stock; known for fast shipping and solid service. ([bhphotovideo.com](https://www.bhphotovideo.com/c/product/1821217-REG/behringer_umc1820_audiophile_18x20_24_bit_96khz_usb.html/overview?utm_source=openai)) |\n| Adorama | **$229** | Same price; sometimes bundled with extras like cables. ([adorama.com](https://www.adorama.com/beumc1820.html?utm_source=openai)) |\n| Guitar Center | **$229** | Usually available both online and in their physical stores. ([guitarcenter.com](https://www.guitarcenter.com/Behringer/U-PHORIA-UMC1820-USB-Audio-Interface-1500000016729.gc?utm_source=openai)) |\n\n\\*Prices are in USD, and reflect what \u201cnew\u201d units are going for as of mid-April 2026.\n\n---\n\n### \u26a0\ufe0f Extra Details & Considerations\n\n- **Backorders**: Some retailers like Sweetwater show the UMC1820 as \u201cin stock,\u201d while others might list it on backorder. ([sweetwater.com](https://www.sweetwater.com/store/detail/UMC1820--behringer-u-phoria-umc1820-usb-audio-interface?utm_source=openai))  \n- **Bundles**: Certain sellers offer the interface bundled with accessories like microphone cables or studio monitors\u2014if those are things you need, these bundles may give you better value. ([sweetwater.com](https://www.sweetwater.com/store/detail/UMC1820SpkBn--behringer-u-phoria-umc1820-usb-audio-interface-and-speaker-bundle?utm_source=openai))  \n- **Used/Discount Options**: If you're open to used gear, prices may be substantially lower. However, make sure to check condition, firmware version (some early units had firmware issues), and whether the power supply/ADAT accessories are included.\n\n---\n\nIf you want, I can check current resale/used pricing (on sites like Reverb or eBay), or find international prices if you're buying outside the U.S."
    }
]