{"product_id":"gold-note-hp-5-2-headphone-amplifier","title":"Gold Note HP-5.2 Headphone Amplifier","description":"\u003ch1 class=\"text-text-100 mt-3 -mb-1 text-[1.375rem] font-bold\"\u003eGold Note HP-5.2 Headphone Amplifier\u003c\/h1\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe Gold Note HP-5.2 is a Class A headphone amplifier built for those who take personal listening seriously. Compact in form but uncompromising in engineering, it is designed to extract the full performance potential from any headphone — from sensitive in-ear monitors through to demanding high-impedance over-ear models. With up to 5W of output power, a fully balanced dual\/mono design, and an analogue signal path built around discrete Class A components, the HP-5.2 brings a level of refinement to headphone listening that few dedicated amplifiers at this size can match. A comprehensive suite of analogue controls — including Crossfeed, Harman Options, Superflat, variable Gain, Damping Factor, and L\/R Balance — means the amplifier can be precisely optimised for the specific characteristics of each pair of headphones rather than offering a one-size-fits-all presentation.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eContact the team at Martins Hi-Fi to discuss the HP-5.2 and arrange a private demonstration.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eClass A discrete component amplifier with a fully analogue signal path\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eUp to 5W of output power, capable of driving sensitive IEMs and high-impedance over-ear headphones alike\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eFour headphone outputs: 3.5mm, 6.3mm, 4.4mm balanced, and 4-pin XLR\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eBluetooth 5.2 with aptX HD 24-bit input and output for high-resolution wireless connectivity\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eSABRE ES9023 DAC with USB-C input for direct digital connection\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eFully balanced dual\/mono design with both XLR and RCA analogue inputs and outputs\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eFour-stage Crossfeed control for a more natural, three-dimensional headphone soundstage\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eUpgradeable with the optional PSX-5.2 external inductive power supply\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eTechnology \u0026amp; Design\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe HP-5.2 is built around a fully balanced dual\/mono architecture using discrete Class A components throughout the signal path — an approach that prioritises sonic purity over convenience of manufacture. The analogue signal path is kept as direct and uncompromised as possible, with the extensive control section operating without introducing noise or colouration into the audio chain.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe onboard SABRE ES9023 DAC handles digital sources via USB-C (PCM up to 48kHz) and Bluetooth 5.2 with aptX HD 24-bit, allowing high-resolution wireless streaming from a phone, tablet, or computer without meaningful loss of quality. The Bluetooth output is equally capable, making the HP-5.2 a practical hub for wireless headphones as well as wired.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eWhat makes the HP-5.2 particularly well considered is its analogue control section. Crossfeed — adjustable across four settings — introduces a controlled degree of channel blending to replicate the natural acoustic crosstalk of loudspeaker listening, reducing the artificial stereo width that can make headphone listening fatiguing over time. The Harman Options and Superflat EQ settings allow further voicing adjustments, while Damping Factor selection, variable Gain, and L\/R Balance provide the fine-tuning necessary to get the best from any specific headphone.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eThe Listening Experience\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe HP-5.2 presents music with the coherence and tonal density expected of Class A amplification — a quality that is immediately apparent when moving between headphones of different character and impedance. Bass is controlled and well-defined, the midrange has genuine body, and high frequencies are resolved clearly without becoming fatiguing. The Crossfeed control is more useful in practice than it might appear on paper: at its most natural settings it takes the edge off the slightly artificial quality of conventional headphone stereo presentation, lending recordings a sense of space and depth that makes extended listening far more comfortable.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eHeritage\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eGold Note is based in Florence, Italy, and has earned a strong reputation in specialist audio for products that combine careful engineering with musical results. The HP-5.2 sits within a broader ecosystem of Gold Note components — including the PH-5.2 phono stage and the PSX-5.2 external power supply — and is designed to integrate naturally with the rest of the range.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003ch2 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv class=\"overflow-x-auto w-full px-2 mb-6\"\u003e\n\u003ctable class=\"min-w-full border-collapse text-sm leading-[1.7] whitespace-normal\"\u003e\n\u003cthead class=\"text-left\"\u003e\n\u003ctr\u003e\n\u003cth class=\"text-text-100 border-b-0.5 border-border-300\/60 py-2 pr-4 align-top font-bold\"\u003e\u003c\/th\u003e\n\u003cth class=\"text-text-100 border-b-0.5 border-border-300\/60 py-2 pr-4 align-top font-bold\"\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eAmplifier Class\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eClass A, discrete components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eHeadphone Power Output\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e5W maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eFrequency Response\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e20Hz–20kHz ±0.1dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eHeadphone Outputs\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e3.5mm jack, 6.3mm jack, 4.4mm balanced jack, 4-pin XLR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eAnalogue Inputs\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e1 × stereo RCA, 1 × stereo XLR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eAnalogue Outputs\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e1 × stereo RCA (line), 1 × stereo XLR (line)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eDigital Input\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eUSB-C (PCM 48kHz), Bluetooth 5.2 aptX HD 24-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eDigital Output\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eBluetooth 5.2 aptX HD 24-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eDAC\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eSABRE ES9023\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eAnalogue Controls\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eCrossfeed (4 settings), Harman Options, Superflat, Gain, Damping Factor, Balance L\/R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eInterface\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eTouchscreen display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eOptional Upgrade\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003ePSX-5.2 external inductive power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eFinish\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eBlack anodised aluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe Gold Note HP-5.2 is available through Martins Hi-Fi. Our team can advise on headphone matching, system integration, and whether the PSX-5.2 power supply upgrade is worth considering for your setup. Private demonstrations, trade-in valuations, and professional installation are all available — please get in touch to discuss.\u003c\/p\u003e","brand":"Gold Note","offers":[{"title":"Default Title","offer_id":57366304326006,"sku":null,"price":999.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/1147\/files\/HP-5.2-anteprima.png?v=1772025254","url":"https:\/\/shop.martinshifi.co.uk\/products\/gold-note-hp-5-2-headphone-amplifier","provider":"Martins Hi-Fi","version":"1.0","type":"link"}