{"product_id":"rockboard-ha-4-4-channel-headphone-amplifier","title":"RockBoard \/ HA 4 4-Channel Headphone Amplifier","description":"\u003cp\u003eThe RockBoard® HA 4 is a very compact headphone amplifier which can distribute a stereo input signal to four separate headphones. Each of the four output channels has its own amplifier and its own volume control and delivers professional quality audio to each headphone. Its robust and compact construction makes the HA4 the ideal choice for studio and live situations. Up to four people can listen to the main mix during recording sessions or up to four musicians can listen to a backing track at their preferred volume during practice sessions.\u003c\/p\u003e\n\u003cp\u003eCaution!\u003c\/p\u003e\n\u003cp\u003eThis headphone amplifier can generate high sound pressure levels. Continued, unprotected exposure to these high sound pressure levels can cause permanent and irreversible hearing damage. If you notice hearing loss or ringing in your ears, consult a physician.\u003c\/p\u003e\n\u003ch3 class=\"MuiTypography-root MuiTypography-headline30 css-1hswfx5\"\u003eDetails at a glance\u003c\/h3\u003e\n\u003cdiv class=\"MuiBox-root css-7gul8p\"\u003e\n\u003cdiv class=\"MuiTypography-root MuiTypography-body16 css-zmq34c\"\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003ecompact headphone amplifier system for stage and studio applications\u003c\/li\u003e\n\u003cli\u003efour separate high performance stereo amplifiers\u003c\/li\u003e\n\u003cli\u003eseparate volume control for each output\u003c\/li\u003e\n\u003cli\u003esuitable for all types of headphones\u003c\/li\u003e\n\u003cli\u003etop sound quality at all volume levels\u003c\/li\u003e\n\u003cli\u003ehigh-quality components and robust construction with metal enclosure\u003c\/li\u003e\n\u003cli\u003e12V DC \/ 40 mA, 2.1 x 5.5 mm barrel plug, center negative, power supply included\u003c\/li\u003e\n\u003cli\u003einput : 1 x 6.35 mm (1\/4\") TRS jack\u003c\/li\u003e\n\u003cli\u003eoutput: 4 x 6.35 mm (1\/4\") stereo (TRS) jack\u003c\/li\u003e\n\u003cli\u003eSNR: 82 dB\u003c\/li\u003e\n\u003cli\u003eTHD: 0.009 %\u003c\/li\u003e\n\u003cli\u003efrequency response: +1 dB \/ -2 dB @20 Hz -22 KHz\u003c\/li\u003e\n\u003cli\u003egain: 20 dBu\u003c\/li\u003e\n\u003cli\u003edimensions (L x W x H) incl. knobs and feet: 102 x 58 x 45 mm \/ 4.02” x 2.28” x 1.77”\u003c\/li\u003e\n\u003cli\u003eweight: 182 gr \/ 0.40 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Asia Music (2518) Co.,Ltd","offers":[{"title":"Default Title","offer_id":47418688077989,"sku":null,"price":1200.0,"currency_code":"THB","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0519\/3321\/6933\/files\/4_JPG.webp?v=1769054192","url":"https:\/\/asiamusicth.com\/products\/rockboard-ha-4-4-channel-headphone-amplifier","provider":"Asia Music (2518) Co.,Ltd","version":"1.0","type":"link"}