{"product_id":"smsl-h400-headphone-amplifier","title":"SMSL H400 Headphone Amplifier","description":"\u003ch1 dir=\"ltr\"\u003e\u003cstrong\u003ePowerhouse Performance in a Compact Design\u003c\/strong\u003e\u003c\/h1\u003e\n \u003cp dir=\"ltr\"\u003e\u003cspan\u003eIf your old amp has been struggling to keep up with your power-hungry cans, it's time for an upgrade. The H400 laughs in the face of high impedance, pushing out up to 15W per channel at 16Ω. Those 600Ω studio monitors you've been eyeing? They'll finally sound the way they're supposed to. And for those days when you just want to kick back, the full-function remote control puts all the power in your hands - literally. With a high-efficiency, low-noise power supply tucked inside, the H400 runs cool and quiet, even when you're cranking it up for hours on end.\u003c\/span\u003e\u003c\/p\u003e\n \u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eSerious power for your headphones\u003c\/strong\u003e\u003c\/h2\u003e\n \u003cp dir=\"ltr\"\u003e\u003cspan\u003eEver tried to drive high-impedance headphones with an amp that's barely awake? We've all been there - flat sound, no dynamics, frustration. The H400 laughs in the face of underpowered setups, pushing up to 15W per channel at 16Ω. Even those 600Ω studio monitors won't make it break a sweat. Expect vibrant sound, punchy bass, and an overall kickass audio experience.\u003c\/span\u003e\u003c\/p\u003e\n \u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eGain for days\u003c\/strong\u003e\u003c\/h2\u003e\n \u003cp dir=\"ltr\"\u003e\u003cspan\u003eOne gain fits all? Nah. The H400 understands that sometimes you need to dial it back or crank it up. With high, medium, and low gain settings, you can customize the output to match your headphones and mood. Whether you're whispering through a pair of sensitive in-ears or blasting a set of demanding cans, the H400 has you covered.\u003c\/span\u003e\u003c\/p\u003e\n \u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eNo pops, no clicks, just clean transitions\u003c\/strong\u003e\u003c\/h2\u003e\n \u003cp dir=\"ltr\"\u003e\u003cspan\u003eThere's nothing like the heart-stopping pop when you turn on your gear. It's a jarring reminder that maybe your setup isn't as refined as it could be. The H400 keeps things classy with a design that eliminates power-on and switching noise. Power it up, flip those gain settings, and enjoy the silence - until the music kicks in.\u003c\/span\u003e\u003c\/p\u003e\n \u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eA preamp with a purpose\u003c\/strong\u003e\u003c\/h2\u003e\n \u003cp dir=\"ltr\"\u003e\u003cspan\u003eVersatility? The H400 nails it. Besides driving your headphones, it doubles as a high-end preamp. Connect it to your power amps or active speakers, and you're in business.\u003c\/span\u003e\u003c\/p\u003e\n \u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eLazy-day approved\u003c\/strong\u003e\u003c\/h2\u003e\n \u003cp dir=\"ltr\"\u003e\u003cspan\u003eYou know what's annoying? Having to get up to tweak your amp's settings. The H400 takes that inconvenience and throws it out the window. Its full-function remote lets you control everything from volume to gain without moving an inch. Perfect for those \"I'm not getting up\" listening sessions.\u003c\/span\u003e\u003c\/p\u003e\n \u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eFully balanced design for pristine sound\u003c\/strong\u003e\u003c\/h2\u003e\n \u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe SMSL H400's fully balanced discrete component design keeps things in check, delivering cleaner sound, sharper separation, and a listening experience that feels like you're right there with the music.\u003c\/span\u003e\u003c\/p\u003e\n \u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eElectronic relay volume control\u003c\/strong\u003e\u003c\/h2\u003e\n \u003cp dir=\"ltr\"\u003e\u003cspan\u003eRemember the days of scratchy volume pots and channel imbalance? Yeah, those are over. The H400 uses electronic relays for volume control, ensuring precise adjustments and flawless sound quality at every level.\u003c\/span\u003e\u003c\/p\u003e\n \u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eAluminum housing and low-noise power supply\u003c\/strong\u003e\u003c\/h2\u003e\n \u003cp dir=\"ltr\"\u003e\u003cspan\u003eLooks aren't everything, but they don't hurt either. The H400 sports a sleek, silver aluminum body that's right at home on any desk. And with its high-efficiency, low-noise power supply, it stays cool and quiet - letting your music take center stage without a hitch.\u003c\/span\u003e\u003c\/p\u003e\n \u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eProduct highlights\u003c\/strong\u003e\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eHigh power output: 15W at 16Ω, 7.5W at 32Ω, 1W at 300Ω, and 550mW at 600Ω.\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eThree-tier gain control: Adjust to high, medium, or low based on your headphones.\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eNo popping noise: Smooth, noise-free power on\/off.\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003ePreamp function: Use as a preamp for other gear.\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eRemote control: Full-featured remote included.\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eBalanced design: Fully balanced discrete component setup.\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eElectronic volume control: Precision volume adjustments with electronic relays.\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eSleek and compact: Silver aluminum body with an efficient power supply.\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eInput Method: Balanced, unbalanced.\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eEarphone Output Method:\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cul\u003e\n \u003cli aria-level=\"2\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003e4.4mm Balanced\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"2\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eXLR Balanced\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"2\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003e6.35mm RCA\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003ePreamp Output Method: Balanced, unbalanced.\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eOutput Power:\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cul\u003e\n \u003cli aria-level=\"2\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003e16 Ω: 15W x 2\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"2\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003e32 Ω: 7.5W x 2\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"2\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003e300 Ω: 1000mW x 2\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"2\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003e600 Ω: 550mW x 2\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eSNR: 133dB.\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eDynamic Range: 133dB.\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eTHD+N: -123dB, 0.00006% (1kHz, 32 Ω).\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eInput Impedance: 47kΩ.\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eHeadphone Output Impedance: Almost close to 0 Ω.\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003ePreamp Output Impedance:\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cul\u003e\n \u003cli aria-level=\"2\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eBalanced: 44Ω.\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"2\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eUnbalanced: 22Ω.\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003eFrequency Response: 20Hz - 100kHz (±0.5dB).\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eGain:\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cul\u003e\n \u003cli aria-level=\"2\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eBalanced:\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cul\u003e\n \u003cli aria-level=\"3\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eLow: -5.8dB.\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"3\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eMedium: 6dB.\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"3\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eHigh: 20.4dB.\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cli aria-level=\"2\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eUnbalanced:\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cul\u003e\n \u003cli aria-level=\"3\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eLow: -11.8dB.\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"3\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eMedium: 0dB.\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"3\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eHigh: 14.4dB.\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/ul\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eConsumption (EN60065): \u0026lt;50W.\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eStandby Power Consumption: \u0026lt;0.5W.\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eVolume: 10 x 1.8 x 7.4 inches (254 x 46 x 189 mm).\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eWeight: 4.47 lbs (2.03 kg).\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eWhat's included\u003c\/strong\u003e\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eSMSL H400 Headphone Amplifier\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eRemote control\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003ePower cable\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n \u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eUser manual\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003e\u003cstrong\u003eFeatured reviews\u003c\/strong\u003e\u003c\/h3\u003e\n \u003cp\u003e\u003cspan\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/GM555YmoA6U?si=T5Sgh317LYRpOq0_\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/span\u003e\u003cem\u003e\"Balance is good, tonally neutral, quite dynamic and alive. With balanced output, there's greater clarity, instrument separation, and breathiness. Performs really well for its price. Sound even better than TOPPING A70 Pro.\" -iiWi Reviews\u003c\/em\u003e\u003c\/p\u003e\n \u003cp\u003e\u003cem\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/cDQ7K0Y7srE?si=KN-ODJl2i4vxGSzj\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/em\u003e\u003cem\u003e\"The best I've heard from SMSL.\" -Z Reviews\u003c\/em\u003e\u003c\/p\u003e\n \u003c!----\u003e","brand":"SMSL","offers":[{"title":"Default Title","offer_id":46878548099247,"sku":"APS-0900-1","price":510.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/apos-audio-smsl-headphone-dac-amp-smsl-h400-headphone-amplifier-40924098560236.jpg?v=1778010589","url":"https:\/\/freshized.com\/products\/smsl-h400-headphone-amplifier","provider":"Freshized","version":"1.0","type":"link"}