• Oct/2004: The first Little Dot amplifier PMS_04 was introduced to the market, this amplifier uses OP:LM12 as the heart of this amp, and it runs on high current.
  • Dec/2004: The first Little Dot vacuum tube amplifier was intordeced to the market, it uses a pair of 1K2 tubes as the pre-amp tubes, and 2 sets of 2P2 tubes in parallel as the power tubes.
  • Apr/2005: LD II was introduced to the market, and it runs on one pair of 1B2, and 2 pairs of 4P1S.
  • The micro headphone amplifier, Little Dot Miro was introduced to the market, and it uses MAX4410 chip, and LR03(triple A) batteries as the power solution.
  • Oct/2005: LD III was introduced to the market. We developed the MCU so it will automictically recognize the impedance of the headphone, and adjust to the correct output. Also, LD III can be use as a power amplifier.
  • Feb/2006: Little Dot M+ was introduced, and it is the second generation of the mirco headphone amplifier, which is the successor of Miro. M+ uses MAX9724 chip, and instead of triple A batteries, we used lithium rechargeable battery.
  • Apr/2006: Shenzhen Little Dot Technology LLC was established, the Chinese character 麗特多 has the similar pronunciation as “Little Dot.”
  • May2006: LD III+ was introduced, and we used EF92 tubes to replace the original pre-amp tubes, and this change has improved the proximity problem from the previous version.
  • June/2006: LD II+ was introduced, and we also replaced the pre-amp tubes to EF92.
  • Aug/2006: LD T_100 Class D power amplifier was introduced. This unit operates on TA2022 “T” chip from Tripath. It is a dual channels power amplifier, and it has 100 watts per channel.
  • Dec/2006: LD II++ was introduced, and we replace the power tubes to 6C19.
  • Mar/2007: LD T_300 class D power amplifier was introduced to the market, and we used TDA2075A from Tripath. This time, each channel has 150 Watts of power when you bridged it together.
  • May/2007: LD MT, another new generation of micro-headphone amplifier was introduced. It uses 6N17 as the pre-amp tubes, and it is our first hybrid amplifier.
  • Jul/2007: The first Little Dot MK series amplifier, MK I was introduced. MK I uses lithium battery, and TPA6120A chip.
  • Jul/2007: Little Dot MK III introduced. It uses 6J1 as the pre-amp tubes, and 6H6PI as power tubes. MK III is another of our long living product, and we still produce it!
  • Aug/2007: Little Dot MK II was introduced. This is the first time Little Dot tube amplifier used SEPP circuit, and it has a stronger output compare with cathode output circuit. MK II has been one of our longest living product, and we still produce it!
  • Sep/2007: Little Dot MKIV SE was introduced. We used Mullard CV4010 as the pre-amp tubes, and 6H30PI as the power tubes. Another long living product that we still produce now!
  • Oct/2007: Little Dot MK V solid-state amplifier was introduced. It uses OP+ transistor and it is our first “dual mono” design amplifier.
  • Dec/2007: Little Dot LD TPA 1 was introduced. It is a high-power headphone amplifier, and also a power amplifier. It uses 4 6C33 for OCL push-pull amplification.
  • May/2008: Little Dot MK VI was introduced. This is our first fully balanced amp, and it runs OCL on four independent circuit schematic.
  • Jun/2008: Little Dot raised 10,000 CNY for the Sichuan Wenchuan Earthquake at the Shenzhen yearly hi-fi event.
  • Jul/2008: LD I+ was introduced our first hybrid headphone amplifier, it uses tubes (6J1, EF92, or WE408A) for pre-amplification, and transistor for the power amplification. Another long living product we still produced for all these years.
  • Aug/2008: MK I+ was introduced. It uses LME49710HA for pre-amplification, and LME49600TS for the power-amplification.
  • Dec/2008: The first CD player from Little Dot, CDP I was introduced. It uses the Philips GF-8 laser head.
  • Apr/2009: Little Dot’s first decoder, DAC I was introduced. It uses Wolfson’s WM8740 as the chip. Another long living product we still produce.
  • May/2009: The improved version of MK VI, MK VI+ was introduced. MK VI+ has been one of our best-selling product since then.
  • May/2009 Little dot introduced our first fully balanced transistor amp, Little Dot MK VII
  • Oct/2009: DAC II was introduced. It is simply an all-in-one machine, we added OP+ discrete components design to make it an all-in-one machine.
  • Oct/2009: The first Little Dot audio salon was opened in Beijing.
  • Jan/2010: The fully balanced OCL amplifier MK VIII SE was introduced. It uses the circuit schematic from MK VI; we used a pair of 12AT7 as the pre-amp tubes, and 4 6H30PI as the power tubes. MK VIII SE is another best-seller for Little Dot!
  • Jan/2010: The micro headphone amplifier LD Q was introduced. It uses micro vacuum tube as pre-amp, and transistor for the power amp section. It uses USB port to connect.
  • Apr/2010: Little Dot host the yearly Shenzhen hi-fi convention together with Beyerdynamic.
  • May/2010: The famous “STEREOPHILE” magazine had column article for Little Dot. The article was under “Sam’s Space,” and MK III was selected to be the “Lucky Days’” product.
  • Jun/2010: DAC III was introduced. It uses dual WM8741chip, and it is a fully balanced DAC.
  • Jan/2011: Little Dot joined the Hong Kong’s 4th headphone hi-fi convention. Little Dot’s MK VIII SE won the first “Best DIY headphone amplifier” competition, and we beat the second place by a landslide.
  • Feb/2011: Little Dot’s first digital player DP I was introduced. The pre-order has reached over a thousand units.
  • Mar/2011: Little Dot began the design for the portable all-in-one DAC and amplifier, DAC M
  • Jul/2011: Little Dot’s D 300 Class D power amplifier was introduced. We use the high efficiency class D amplification method from IR. The output reaches 300 W, and it has a pre-amp that is designed to use with D300. D 300 is another one of our best-selling products!
  • Feb/2012: Little Dot began the design for the digital player, DP II. This is the digital player were meant to use with DAC M.
  • Apr/2012: Began the design for CDP III, this is our top of the line CD player, and it uses laser head from Philips, CDPRO 2.
  • May/2012: Little dot began the design of portable headphone amplifier, PA V. It uses AD8620 from Analog Devices, and MUSES8920 from JRC.
  • May/2012: Little Dot host another hi-fi convention along with Shenzhen Lei Yin.
  • June/2012: Little Dot started the design of UA I. It is the first hi-fi asynchronous transfer digital interface, and it is designed for the XMOS interface.
  • Mar/2013: CD player CDP II was introduced. It is the improved version of CDP I, and we are still producing it today!
  • Apr/2013: Little Dot MK 9 amplifier was introduced. It is the mono version of MK 6, and it simply uses the similar components.
  • May/2013: Little Dot’s LD I+, MK II, and MK III acquired the CE certificate by EU.
  • Jun/2013: Little Dot started the design for DP III. It is a digital stream that works on wifi, USB storage device, and SD card to play audio file.
  • Nov/2013: We started to design our first AC power generator, LDP 500. LDP will convert the alternating current to direct current, and under the MCU’s control, convert the direct current once again to alternating current, and make sure its frequency, voltage, and wave are all stable.
  • June/2014: Little Dot started the design of our first class A fully balanced solid-state amplifier, the LD X1. Four independent circuit schematic, and it has a balanced and mono switch.
  • Aug/2014: Little Dot host another year of Shenzhen hi-fi convention with Lei Yin, and raised money to help the people at Ludian, who suffered from the earthquake.
  • Nov/2014: Little Dot started the design of greater output AC power regenerator, LDP 800. We increased the output, the driver circuit schematic, and improve its stability.
  • Dec/2014: Little Dot began to design the LD III SE. It uses WE 408A as the pre-amp tubes, and telefunken’s famous EL 152 as power tubes. It is both a headphone amp, and a power amp.
  • Jan/2015: Join the 2015 CES in Las Vegas, Nevada.
  • Jun/2015: Little Dot began to design DAC IV. It is also an all-in-one machine with dual AK4490 chip, and it has amplifier built-in.
  • Nov/2015: Little Dot began to designed its first 300B amplifier, LD Y1. LD Y1 uses input transformer to provide balanced input. The pre-amp tubes are 6SL7, and JJ’s 300B as the power tubes.
  • May/2016: Little Dot began the design of LD Q+, the upgrade version of LD Q which is also a micro-amplifier. It uses 6N11(6922) and transistor, and it is extremely small.
  • Aug/2016: Little Dot began the design of DAC V. DAC V runs on dual AK4497.
  • Nov/2016: Little Dot began to design a fully balanced hybrid amplifier, LD H1. We choose 6SN7 for pre-amp tubes, and runs a fully balanced symmetric transistor circuit for our power amplification section
  • .
  • Jan/2017: Little Dot began to design DAC VI, it uses dual AK4495.
  • Jan/2017: Little Dot began to design its fully balanced hybrid amp, MK III SE. It uses the 6N11(6922) as the pre-amp tubes, and transistors circuit for the power amp section.
  • Feb/2017: Little Dot began the design of its high output AC regenerator, LDP 1000. It enhanced the output power once more, and it also increases the numbers of the outlets. It uses the PI module to enhance its reliability and stability.
  • Dec/2017: Little Dot started its first crowd funding on JD.com with LD H1, and we broke the target with 185% beyond expectation.
  • Jan/2018: Little Dot began to design its current flagship amp, the LD Y2. LD Y2 is the upgrade version of LD Y1. It uses DACT 24 bit stepped attenuator, Lundahl transformer. We tried to use as many good components as we can while still keeping a reasonable price.
  • Jun/2018: Little Dot began the design of LD A1, our flagship all-in-one machine. It uses ES9038pro for the DAC part. 6SH7 tubes as the pre-amp tubes, and 2A3 tubes for the power-amp section.

 

  • Dec/2018: Little Dot put LD A1 in JD.com’s crowd funding program, and we were able to reach 469% over our estimated target.
  • Dec/2018: Little Dot started to design the MK III+, which is simply added in the Bluetooth input function. In order to increase the flexibility of MK III.
  • Jun/2019: DAC VII was introduced, and this is our current flagship DAC, and we use ED9038pro as our decoding chip.
  • Jul/2019: Little Dot introduced our first power plant, the battery version of LDP 1000, and this is the flagship power solution Little Dot has to offered so far.
  • Sep/2019: Little Dot introduced LD A2, this is a stand-along amplifier unlike the LD A1. Still uses the 6SH7+2A3 design, and also added in the Bluetooth function.
  • Oct/2019: Little Dot began its design on the Mini 4 set, which includes the streamer (DP 4), the DAC (DA 4), the amplifier (AM 4), and a linear power supply (PO 4)
  • Nov/2019: Little Dot introduced its long-anticipated product line, the CU series of IEMs. Currently there are four models: RAD, WYN, CEN, and KIS.
  • Dec/2019: Little Dot brought its Mini on JD.com once again for crowd funding, and this time we have reached our expectation by over 169%!
  • Jan/2020: Little Dot started the design for its flagship solid-state amplifier, and it would be both headphone/power amplifier with a lot of power!
  • Apr/2020: Little Dot began the design for its all-in-one streamer, DP V!