{"product_id":"tri-tk1-third-eye-portable-dac-headphone-amplifier-dual-cs43131","title":"TRI TK1 Third Eye Portable DAC Headphone Amp – Dual CS43131","description":"\n\u003ch2\u003eTRI TK1 \"Third Eye\" Portable DAC \u0026amp; Headphone Amplifier\u003c\/h2\u003e\n\u003cp\u003eUnlock the full potential of your headphones with the \u003cstrong\u003eTRI TK1 Third Eye\u003c\/strong\u003e — a compact, high-fidelity USB DAC and headphone amplifier engineered for audiophiles who demand studio-grade sound on the go. Powered by a \u003cstrong\u003edual CS43131 chip architecture\u003c\/strong\u003e, the TK1 delivers an astonishing \u003cstrong\u003e135 dB dynamic range (DNR)\u003c\/strong\u003e and a signal-to-noise ratio of \u003cstrong\u003e130 dB at 4.4mm (4 Vrms)\u003c\/strong\u003e, making every note, texture, and subtle detail in your music come alive.\u003c\/p\u003e\n\n\u003ch3\u003eWhy the TRI TK1 Third Eye?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual CS43131 Chips\u003c\/strong\u003e — Cirrus Logic's premium DAC chips working in tandem for exceptionally clean, low-noise audio output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBalanced 4.4mm \u0026amp; Single-Ended 3.5mm Outputs\u003c\/strong\u003e — Compatibility with a wide range of headphones and in-ear monitors, from entry-level to flagship.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSB Type-C Connectivity\u003c\/strong\u003e — Plug-and-play with Android smartphones and Windows 10\/11 PCs with no drivers required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDSD64 Support\u003c\/strong\u003e — Handles DSD (2.8224 MHz) and PCM audio for versatile high-res playback.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in Microphone Support\u003c\/strong\u003e — Doubles as a USB sound card for calls, streaming, and voice work.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImpressive Output Power\u003c\/strong\u003e — 4 Vrms balanced output ensures ample drive for demanding full-size headphones.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePocket-Friendly \u0026amp; Portable\u003c\/strong\u003e — Lightweight, bus-powered design goes wherever your music takes you.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFull Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTRI\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTK1 \"Third Eye\"\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDAC Chip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual CS43131 (Cirrus Logic)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDNR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e135 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSNR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e130 dB @ 4.4mm \/ 4 Vrms  |  125 dB @ 3.5mm \/ 2 Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 Hz – 20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeadphone Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.5mm (single-ended) \u0026amp; 4.4mm (balanced)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB Type-C to Type-C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDSD Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDSD64 (2.8224 MHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePCM Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 44.1 kHz \/ 16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMicrophone\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAvailable (USB Sound Card capable)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Devices\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAndroid (USB-C), Windows 10\/11\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eForm Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePortable \/ Bus-powered\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAudiophiles upgrading from smartphone audio output\u003c\/li\u003e\n  \u003cli\u003eWork-from-home setups needing a clean USB sound card with mic support\u003c\/li\u003e\n  \u003cli\u003eMusic producers and engineers who need accurate reference monitoring on the go\u003c\/li\u003e\n  \u003cli\u003eAnyone driving high-impedance or balanced headphones from a phone or laptop\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLearn More About High-Resolution Audio\u003c\/h3\u003e\n\u003cp\u003eCurious about what makes high-resolution audio different? The \u003ca href=\"https:\/\/www.nist.gov\/\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eNational Institute of Standards and Technology (NIST)\u003c\/a\u003e provides resources on digital audio standards and measurement that can help you understand the science behind DAC performance specifications.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What devices are compatible with the TRI TK1 Third Eye DAC amplifier?\u003c\/h4\u003e\n\u003cp\u003eA: The TRI TK1 Third Eye is compatible with Android smartphones featuring a USB Type-C port and Windows 10\/11 computers. It is plug-and-play on most modern devices — no additional drivers are required. It connects via a USB Type-C to Type-C cable.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the difference between the 3.5mm and 4.4mm headphone outputs on the TK1?\u003c\/h4\u003e\n\u003cp\u003eA: The 3.5mm output is a standard single-ended connection, delivering 2 Vrms with a 125 dB SNR. The 4.4mm output is a fully balanced connection that provides 4 Vrms and a higher 130 dB SNR, offering a wider soundstage and lower noise floor — ideal for high-end headphones and IEMs with a 4.4mm balanced cable.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the TRI TK1 support DSD audio files?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The TK1 supports DSD64 playback at 2.8224 MHz, as well as PCM audio at 44.1 kHz\/16-bit, making it versatile for a wide range of high-resolution audio formats.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use the TRI TK1 as a USB sound card with microphone support?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The TK1 includes microphone support, allowing it to function as a full USB audio interface for voice calls, streaming, and recording — not just headphone playback.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the TRI TK1 require an external power source?\u003c\/h4\u003e\n\u003cp\u003eA: No. The TK1 is entirely bus-powered, drawing all the power it needs directly from your smartphone or computer's USB port. No batteries or power adapters are required.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What devices are compatible with the TRI TK1 Third Eye DAC amplifier?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The TRI TK1 Third Eye is compatible with Android smartphones featuring a USB Type-C port and Windows 10\/11 computers. It is plug-and-play on most modern devices — no additional drivers are required. 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