{"product_id":"sonifex-rb-hd1-stereo-headphone-amplifier","title":"Sonifex RB-HD1 | Stereo Headphone Amplifier","description":"\u003cp\u003eThe RB-HD1 is a 1U rack-mount stereo headphone amplifier for driving up to two pairs of professional stereo headphones from a single stereo or mono input. One headphone socket is on the front panel with one on the rear. The main stereo input uses electronically balanced XLR-3 connectors on the rear panel, which can be wired un-balanced. The output volume for the headphones can be controlled either by a pot situated on the front panel or a VCA signal supplied externally via the remote connector. A mono input can be mixed into the main headphone feed, for example, for mixing in talkback to the headphones. This has an input level control via a recessed adjustable potentiometer. The mono mix input can also be controlled remotely. A stereo\/mono switch is recessed on the rear panel to prevent accidental knocking. With mono selected, audio is sent to both left and right ear pieces. A LED power indicator on the front panel displays the power supply connection. Front and rear headphone outputs.\u003c\/p\u003e\u003ch3\u003eProduct Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFront and rear headphone outputs.\u003c\/li\u003e\n\u003cli\u003eFront panel pot \/ VCA remote level control.\u003c\/li\u003e\n\u003cli\u003eStereo\/mono selection.\u003c\/li\u003e\n\u003cli\u003eMono talkback input.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cp\u003eHeadphone monitoring for voice over booths, adding headphone output to mixer programme output.\u003c\/p\u003e\u003ch3\u003eProduct Category\u003c\/h3\u003e\u003cp\u003eHeadphone Amplifiers\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ch4\u003eAudio Specification\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput impedance:\u003c\/strong\u003e \u0026gt;20kΩ balanced bridging (main)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Level:\u003c\/strong\u003e Drives 150mW into 32Ω to 600Ω headphones\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Mix Input Gain Range:\u003c\/strong\u003e 22dBu\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Input Level:\u003c\/strong\u003e +28dBu\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolume Control:\u003c\/strong\u003e -80dB to +11dB gain\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eConnections\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain Stereo Inputs:\u003c\/strong\u003e 2 x XLR 3 pin female (balanced, can be unbalanced)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Mix Input:\u003c\/strong\u003e 1 x XLR 3 pin female (balanced, can be unbalanced)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutputs:\u003c\/strong\u003e 2 x ¼” (6.35mm) A-gauge 3-pole stereo jack sockets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Control:\u003c\/strong\u003e 9-pin D-type socket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMains Input:\u003c\/strong\u003e Filtered IEC, switchable 110-120V, or 220-240V, fused, 9W max\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Rating:\u003c\/strong\u003e Anti-surge fuse 100mA 20 x 5mm (230VAC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Rating:\u003c\/strong\u003e Anti-surge fuse 250mA 20 x 5mm (115VAC)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eEquipment Type\u003c\/h4\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eRB-HD1:\u003c\/strong\u003e Stereo headphone amplifier\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003ePhysical Specification\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (Raw):\u003c\/strong\u003e 48cm (W) x 10.8cm (D) x 4.2cm (H) (1U)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (Raw):\u003c\/strong\u003e 19” (W) x 4.3” (D) x 1.7” (H) (1U)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (Boxed):\u003c\/strong\u003e 53cm (W) x 20.5cm (D) x 6cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (Boxed):\u003c\/strong\u003e 21” (W) x 8” (D) x 2.4”\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Nett: 1.35kg Gross: 2.0kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Nett: 3.0lbs Gross: 4.4lbs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSupport and Downloads\u003c\/h3\u003e\u003ch4\u003eHandbooks \u0026amp; Guides\u003c\/h4\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/ad56550c.delivery.rocketcdn.me\/wp-content\/uploads\/products\/RB-HD1\/redbox-05_hb.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eRB-HD1 Handbook\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eBrochures\u003c\/h4\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/sonifex.co.uk\/brochures-guides\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eClick to visit the brochures page.\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eDeclarations\u003c\/h4\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/sonifex.co.uk\/support\/ce-ukca-declarations\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eClick to visit the declarations page.\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eFirmware\u003c\/h4\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/ad56550c.delivery.rocketcdn.me\/wp-content\/uploads\/products\/RB-HD1\/rm_hd1_V4_1_3.zip\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eVersion V4.1.3 Date 03\/10\/2013\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eRelated Products\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sonifex.co.uk\/product\/avn-ah8\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eAVN-AH8 AVN-AH8 8 Stereo Analogue Headphone Outputs Dante Interface, PoE\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sonifex.co.uk\/product\/avn-dio03\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eAVN-DIO03 Dante to Headphone Outputs (1\/4” \u0026amp; 3.5mm Jacks) with Volume Control \u0026amp; Limiter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sonifex.co.uk\/product\/rb-fr2\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eRB-FR2 Front Panel Kits for Redboxes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sonifex.co.uk\/product\/rb-hd2\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eRB-HD2 Dual Stereo Headphone Amplifier\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sonifex.co.uk\/product\/rb-rk2\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eRB-RK2 Rear Panel Mounting\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOfficial Links\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/sonifex.co.uk\/product\/rb-hd1\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOfficial Product Page\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e","brand":"Sonifex","offers":[{"title":"Default Title","offer_id":53670180749653,"sku":"RB-HD1","price":456.64,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1033\/6993\/3141\/files\/Sonifex_Sonifex_RB_HD1_Stereo_Headphone_Amplifier_01.jpg?v=1780662481","url":"https:\/\/tvpro.lt\/products\/sonifex-rb-hd1-stereo-headphone-amplifier","provider":"tvpro.lt – Broadcast \u0026 Pro Video Equipment Online Store","version":"1.0","type":"link"}