{"product_id":"audio-technica-at-pha55bt-wireless-headphone-amplifier","title":"Audio-Technica AT-PHA55BT Wireless Headphone amplifier - Discontinued","description":"\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 75%;\"\u003eCompact Bluetooth headphone amplifier with powerful technology to deliver high-quality wireless sound to your headphones\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 75%;\"\u003eSupports high-quality LDAC, aptX and AAC audio codecs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 75%;\"\u003eOutput mode switch allows selection of output impedance suitable for dynamic or balanced armature drivers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 75%;\"\u003eBuilt-in microphone allows you to take calls from a paired smartphone\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 75%;\"\u003eAluminum housing reduces unwanted resonance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 75%;\"\u003e3.5 mm (1\/8\") stereo output jack\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 75%;\"\u003eUp to 8 hours of continuous use\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-size: 75%;\"\u003eIncludes belt clip and 30 cm (1\") USB charging cable\u003c\/span\u003e \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e32-step multilevel digital volume selection\u003c\/li\u003e\n\u003cli\u003eLED status indicators display the currently connected codec, the pairing and charging status, and the remaining battery level\u003c\/li\u003e\n\u003cli\u003eESS Technology ES9118 HiFi System-On-Chip (SoC) ensures faithful reproduction of the original sound\u003c\/li\u003e\n\u003cli\u003eJitter is suppressed by controlling the clock from the wirelessly transmitted input signal side, resulting in crisp, clear audio quality with high transparency\u003c\/li\u003e\n\u003cli\u003e50 mW + 50 mW high-output amplifier drives connected headphones to perform at their maximum potential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe AT-PHA55BT wireless headphone amplifier is a compact but powerful tool that will help you get the most out of your headphones – wherever you go. Utilizing Bluetooth® wireless technology and supporting LDAC, aptX, AAC and SBC audio codecs, the amplifier processes the digital transmission from your Bluetooth device and faithfully converts it to an analog signal via an ESS Technology ES9118 HiFi System-On-Chip (SoC). Offering up to eight hours of continuous use and a max output level of 50 mW + 50 mW, the AT-PHA55BT has the power to drive your headphones to their full potential.\u003c\/p\u003e\n\u003cp\u003eAdditionally, the amplifier features an output mode switch that allows you to select between two output impedance levels – one suitable for headphones with dynamic drivers, the other for headphones with balanced armature drivers – ensuring you get the best sound possible. The amplifier is designed to suppress wireless jitter and reduce acoustic resonance, and allows for fine audio tuning through its 32-step multilevel digital volume control.\u003c\/p\u003e\n\u003cp\u003eThe AT-PHA55BT is equipped with LED indicators that display the battery level, pairing and charging status, and the codec currently in use. The amplifier also includes a microphone so you can take calls from a paired smartphone, and comes with a belt clip and a 30 cm (1') USB charging cable.\u003c\/p\u003e\n\u003cp\u003e*The Bluetooth® word mark and logos are owned by Bluetooth SIG, Inc. and any use of such marks by Audio-Technica Corporation is under license. Other trademarks and trade names are those of their respective owners.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003cbr\u003e \u003cb\u003eMaximum Output Level:\u003c\/b\u003e\u003cbr\u003e 50 mW + 50 mW (at 16 ohms, T.H.D. 10%)\u003cbr\u003e 25 mW + 25 mW (at 32 ohms, T.H.D. 10%)\u003cbr\u003e 2.5 mW + 2.5 mW (at 300 ohms, T.H.D. 10%)\u003cbr\u003e \u003cb\u003eOutput Connector:\u003c\/b\u003e 3.5 mm (1\/8\") gold-plated stereo mini jack\u003cbr\u003e \u003cb\u003eBattery:\u003c\/b\u003e DC3.7 V lithium polymer rechargeable battery\u003cbr\u003e \u003cb\u003eBattery Life:\u003c\/b\u003e\u003cbr\u003e Max. 8 hours continuous use (100 hours standby)\u003cbr\u003e Charging Time: Approx. 3 hours (for 0-100% charge)\u003cbr\u003e \u003cb\u003eOperating Temperature:\u003c\/b\u003e 41 – 104° F (5° – 40° C)\u003cbr\u003e \u003cb\u003eDimensions (excluding protrusions):\u003c\/b\u003e 79 mm (3.1\") H × 32 mm (1.3\") W × 11 mm (0.4\") D\u003cbr\u003e \u003cb\u003eWeight:\u003c\/b\u003e 28 g (1 oz)\u003cbr\u003e \u003cb\u003eAccessories Included:\u003c\/b\u003e 30 cm (1') USB charging cable, belt clip\u003cbr\u003e \u003cb\u003eType (Microphone):\u003c\/b\u003e Condenser\u003cbr\u003e \u003cb\u003eSensitivity (Microphone):\u003c\/b\u003e -36 dB (1V\/Pa at 1 kHz)\u003cbr\u003e \u003cb\u003eFrequency Response (Microphone):\u003c\/b\u003e 50 – 8,000 Hz\u003cbr\u003e \u003cb\u003ePolar Pattern (Microphone):\u003c\/b\u003e Omnidirectional\u003cbr\u003e \u003cb\u003eInput jack:\u003c\/b\u003e Micro USB Type B\u003cbr\u003e \u003cb\u003eCommunication System:\u003c\/b\u003e Bluetooth Version 4.2\u003cbr\u003e \u003cb\u003eOutput:\u003c\/b\u003e Bluetooth Specification Power Class 2\u003cbr\u003e \u003cb\u003eMaximum Communication Range:\u003c\/b\u003e Line of sight - approx. 10 m (33')\u003cbr\u003e \u003cb\u003eCompatible Bluetooth Profiles:\u003c\/b\u003e A2DP, AVRCP, HFP, HSP\u003cbr\u003e \u003cb\u003eSupport Codec:\u003c\/b\u003e LDAC, aptX, AAC, SBC\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Audio-Technica","offers":[{"title":"Default Title","offer_id":18291967131763,"sku":"AT-PHA55BT","price":79.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/Untitled-1.png?v=1762457291","url":"https:\/\/audio46.mom\/products\/audio-technica-at-pha55bt-wireless-headphone-amplifier","provider":"Audio46 Headphone Store","version":"1.0","type":"link"}