{"product_id":"fosi-audio-p3-bluetooth-tube-amplifier-hifi-stereo-preamplifier-valve-vacuum-with-treble-bass-tone-control-for-home-speaker","title":"Fosi Audio P3 Bluetooth Tube Amplifier HiFi Stereo Preamplifier Valve Vacuum with Treble \u0026 Bass Tone Control For Home Speaker","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003elinime\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChannels\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e2 (2.0)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eInput\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eRCA+Bluetooth\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMaximum Power Per Channel\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNO POWER\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eP3\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOutput\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eRCA+PRE OUT+3.5mm Headphone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePower Adapter\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e12V\/1.5A\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eTube Preamplifier\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003eHighlight\u003c\/p\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003eModel: P3\u003cbr\u003e Power Adapter Output: 12V\/1.5A\u003cbr\u003e Product Adapter Input Voltage Range: AC 110V - 240V\u003cbr\u003e SNR ≥ 103dB\u003cbr\u003e THD ≤ 0.02%\u003cbr\u003e Treble adjustment range: ±6dB\u003cbr\u003e Bass adjustment range: ±12dB\u003cbr\u003e Input Mode: RCA+ Bluetooth 5.1\u003cbr\u003e Output: RCA\/AUX\/3.5mm headphone jack\u003cbr\u003e Frequency Response: 20HZ -20KHZ((±1dB)\u003cbr\u003e RMS Power: 250mw @16Ω; 150mw @32Ω; 32mw @250Ω; 20mW @300Ω\u003cbr\u003e Headphone Impedance: 16-300Ω\u003cbr\u003e Dynamic Range: 104dB\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003eFeatures\u003c\/p\u003e\n\u003cp style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-content\"\u003eTrue Tube Amplification: The preamp circuit elevates the voltage to 54V, ensuring the tubes work to their full potential, delivering a warm and rich experience. The unique preamplification technology delivers pure audio signals, faithfully reproducing crisp high tones, full midrange richness, and deep, rhythmic bass.\u003cbr\u003e \u003cbr\u003e Bluetooth 5.1: Equipped with the Qualcomm QCC3031 chip, the P3 preamp guarantees impressive wireless sound quality and low latency, with compatibility for aptX HD and aptX LL codecs formats. Furthermore, the inclusion of a manual reset button prevents accidental connections by others, enhancing connection reliability.\u003cbr\u003e \u003cbr\u003e Versatile Connectivities: The P3 provides Bluetooth\/RCA inputs and RCA\/AUX OUT\/3.5mm headphone outputs. It can help create a 2.1-channel audio system by connecting active speakers\/an amplifier and a subwoofer. As a headphone amplifier, it supports headphones with impedance ranging from 16Ω to 300Ω.\u003cbr\u003e \u003cbr\u003e Premium Components: It utilizes ELNA audiophile-grade capacitors and taper A pot. The bass and treble controls boast central detents for tone-defeating. With an SNR of up to 103dB and a crosstalk of 95dB, it helps form a HiFi audio system when paired with the V3 amplifier of the same series.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\" class=\"detail-desc-decorate-title\"\u003ePackage Include\u003c\/p\u003e\n\u003cp style=\"color:rgb(0, 0, 0)\"\u003e*P3 Tube Amplifier x1\u003cbr\u003e *5654 Vacuum Tubes x2\u003cbr\u003e *Power Adaptor x1 (Optional)\u003cbr\u003e *User Manual x1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e\n\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Se1332cc05eb344fea1a9238471d76561B.jpg?width=960\u0026amp;height=1495\u0026amp;hash=2455\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" 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