Little Dot MK I+ Portable Headphone Amp Amplifier!

Little Dot MK I+ Portable Headphone Amplifier

The successor to the Little Dot MK I, the new Little Dot MK I+ takes advantage of American National Semiconductor’s newest offerings in ultra-low distortion circuit components: LME49710HA high fidelity operational amplifier and the LME49600 high performance current buffer.  The new power supply consists of two 3.7V 700mA/h Lithium-Ion battery to provide up to 30 hours of high current, ultra-low distortion power to your headphones.  Circuit stability and reliability over the previous Little Dot MK I has been markedly improved as well.  The Little Dot MK I+ also has exceptional compatibility with a wide variety of IEMs, earphones, and full-sized headphones due to its user-selectable three gain settings, as well as output current control via internal jumpers.  When jumper caps are set in place, output current increases by 80%, dramatically improving dynamics, impact, and low frequency response with the trade-off of lower battery life.

Note: There are two versions of the Little Dot MK I+, the Normal version and the Gold version.  The normal version has a plastic housing and uses the LM4562 op-amp in the pre-amplifier stage.  The Gold version has a metal chassis and uses dual LME49710HA op-amps in the pre-amplifier stage.  This listing is for the Gold Version.

Little Dot MK I+ Technical Specifications:

• Line Input: 3.5mm (1/8") mini-stereo
• Headphone Output: 3.5mm (1/8") mini-stereo
• Frequency Response: 5 Hz (-0.6dB) to 200KHz (-0.3db)
• THD+N: 0.0010% (1V @ 1000 Hz)
• Suitable Headphone Impedance: 8 - 300 ohms
• Input Impedance: 20K ohms
  
• Power Output: 200mW (32 ohms)
• Gain Factor: 1, 2, 4x (User Selectable)
• Battery Life: up to 30 hours per charge
• Battery Overcharge Protection
• Universal Voltage AC Charger/Adapter included (Type B plug)
  
• Measurements:
• Metric: 95 mm (length) by 70 mm (width) by 24 mm (height)
• English: 3.74 inches (length) by 2.75 inches (width) by 0.94 inches (height)
• Weight: 192 g (includes internal battery)
• 1 Year Little Dot Warranty
  

Purchasing Instructions:
At the time of purchase, please include the following information in either the eBay checkout notes, PayPal payment memo, or in a separate email/eBay message:

• Contact telephone number for shipping purposes.  Global EMS requires the recipient's telephone number for international deliveries.
• Please monitor your PayPal email address for all correspondence, updates, and tracking information regarding your Little Dot order!

International Buyers – Please Note:

Warranty and Support:

Are you intrigued by our Little Dot amplifiers but worry about the process if, Heaven forbid, something were to go wrong?  Rest assured, our Little Dot products are backed by arguably the best, and most customer-friendly warranty policy in the business for your peace of mind!  Please do note however that our warranty and support only applies to Little Dot amplifiers sold through direct sales (i.e. this eBay listing) or our Authorized resellers.  We cannot provide any warranty or support for Little Dots acquired through unauthorized or gray market sellers (i.e. other sellers).

•  If on the chance a functional problem arises within the first 3 months (we've found that if issues occur, the vast majority crop up within the first month or two) of your warranty period and you send it back to us for repair, we will reimburse you the full return shipping amount once we receive it so there is absolutely no out-of-pocket cost to you!

•     From 3 months until the end of your warranty period, if a functional problem arises we will reimburse you for half of the return shipping cost once we receive it.

•     From warranty expiration to as long as you own your Little Dot, repair/labor/parts are always free - the only thing you are responsible for is shipping costs.

As you can see, we stand behind our products and are fully committed to providing the best ownership experience we can provide.  Again, our warranty only applies to Little Dots sold through direct or authorized resellers as otherwise we cannot guarantee the initial quality and A-stock, new status of Little Dots sold through unauthorized or gray market sellers. 

For more information on Little Dot amplifiers, please visit our forum at: 

Little Dot Official Forum

Note:  Photos are for illustrative purposes only.  Please refer to the product description for the most explicit and up-to-date specifications, components, parts, tubes, accessories, etc.