{"product_id":"pro-ject-head-box-e","title":"Pro-Ject Head Box E","description":"\u003ch3\u003ePro‑Ject Head Box E – Compact Discrete Headphone Amplifier\u003c\/h3\u003e\n\u003cp\u003eThe Head Box E is a micro-sized yet powerful headphone amp designed to elevate your listening experience. Packed into a durable metal chassis, it delivers 665 mW into 32 Ω using fully discrete circuitry, making it a standout upgrade for both desktop setups and home hi‑fi systems—available now at Soundium.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e665 mW output @ 32 Ω:\u003c\/strong\u003e Plenty of clean power to drive demanding headphones—removes the limitation of weak headphone jacks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully discrete amplifier design:\u003c\/strong\u003e Uses non-integrated components for superior signal control, repairability, and audio purity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual headphone outputs:\u003c\/strong\u003e One 6.3 mm and one 3.5 mm jack, usable simultaneously for shared listening\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine-level bypass option:\u003c\/strong\u003e Rear RCA input plus loop-out lets you integrate the amp into your stereo chain without losing signal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow distortion \u0026amp; high fidelity:\u003c\/strong\u003e THD+N \u0026lt;0.005%, SNR −105 dBV, frequency response 20 Hz–80 kHz (±0.2 dB)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact and light:\u003c\/strong\u003e Just 10.3 × 3.7 × 12.0 cm, 0.39 kg – small enough to fit on any desk or shelf\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCustomer Benefits\u003c\/h4\u003e\n\u003cp\u003eThe Head Box E brings studio-grade headphone amplification to your desktop or living room. Its robust power suits a wide range of headphones, while clean, low-noise output enhances clarity and musicality. The dual jacks support shared listening, and the loop-out feature makes it easy to slip into your existing audio setup.\u003c\/p\u003e\n\u003ch4\u003eQuick Specs\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput power:\u003c\/strong\u003e 665 mW @ 32 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency response:\u003c\/strong\u003e 20 Hz–80 kHz (±0.2 dB)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD+N:\u003c\/strong\u003e \u0026lt;0.005%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSNR:\u003c\/strong\u003e −105 dBV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGain:\u003c\/strong\u003e 11 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrosstalk:\u003c\/strong\u003e 65 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput impedance:\u003c\/strong\u003e \u0026lt;1 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeadphone jacks:\u003c\/strong\u003e 6.3 mm and 3.5 mm (usable simultaneously)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine-level I\/O:\u003c\/strong\u003e RCA input + loop output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 5 V\/0.5 A DC via included USB cable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandby power:\u003c\/strong\u003e \u0026lt;0.5 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 10.3 × 3.7 × 12.0 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.39 kg (without power supply)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhat’s in the Box\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePro‑Ject Head Box E amplifier\u003c\/li\u003e\n\u003cli\u003eUSB power cable (5 V DC)\u003c\/li\u003e\n\u003cli\u003eProtective pouch\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eUse Cases \/ Ideal For\u003c\/h4\u003e\n\u003cp\u003ePerfect for audiophiles seeking a powerful desktop amp, vinyl listeners adding headphone capability, and anyone wanting shared listening with two jacks—clean, portable, and simple amplification.\u003c\/p\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eConnects to any line-level source (DAC, CD player, turntable with phono stage) via RCA. Compatible with headphones from 8–600 Ω. Fits seamlessly into hi-fi chains with bypass output.\u003c\/p\u003e\n\u003ch4\u003ePros \u0026amp; Cons\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e✅ Pros:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh clean power in a compact form factor\u003c\/li\u003e\n\u003cli\u003eDiscrete circuit design for superior audio performance\u003c\/li\u003e\n\u003cli\u003eDual jacks allow shared listening without adapters\u003c\/li\u003e\n\u003cli\u003eLoop-out lets you integrate it into larger setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e⚠️ Cons:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo DAC built in—requires external digital source\u003c\/li\u003e\n\u003cli\u003eNo balanced or digital inputs\u003c\/li\u003e\n\u003cli\u003eRelies on USB adapter—no included plug-in PSU\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Pro‑Ject Head Box E delivers compact, powerful, and clean headphone amplification in a sleek metal body—perfect for audiophiles seeking quality on a desk or as part of a desktop hi-fi chain, available now at Soundium.\u003c\/p\u003e","brand":"Pro-Ject","offers":[{"title":"Black","offer_id":54402400583948,"sku":"P-BOX-E-BL","price":119.0,"currency_code":"EUR","in_stock":true},{"title":"Silver","offer_id":54402400616716,"sku":"P-BOX-E-SL","price":119.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/7416\/0652\/files\/8641202c-ba95-4660-b5a9-4554f631fe94.jpg?v=1752649298","url":"https:\/\/soundium.com\/de\/products\/pro-ject-head-box-e","provider":"Soundium","version":"1.0","type":"link"}