Astell & Kern AK300 64GB Flash MP3 Player overview

Astell & Kern (AAK3PPE317CCMBLN1) Digital Audio Player

Manufacturers Product Description

Enjoy The Sound, AK300Enjoying musicWhile succeeding the state-of-the-art DAC and scalability as applied to the AK380 and AK320, the latest model has improved accessibility by being priced at a reasonable level.AK4490's Single DAC-DAC, DSD-to-PCM Playback, Parametric EQ with 20bands 0.01dB, 200 Femto Second VCXO Reference Clock, Exceptional Expandability, DLNA-based AK Connect App and Metal Touch Sensor Home Button24bit 192kHz bit to bit Playback AK300 is capable of bit-to-bit playback up to 24bit, 192kHz. 32bit audio is downsampled using a sample-rate converter (SRC). In addition, DSD 64/128 can be played back via conversion to PCM.PEQ (Parametric EQ) A parametric equalizer (PEQ) was implemented in the AK300 to deliver detailed adjustment of the original sound, and an audio digital signal processor (DSP) was added to aid in this process. This frees up CPU cycles previously needed for calculating graphic equalizers (GEQ), allowing more detailed and accurate calculations via the dedicated DSP. The audio DSP expands the existing 10-band, ±0.5 dB graphic equalizer (GEQ) to 20-band, ±0.01 dB to more precisely adjust the frequency and gain (dB) as well as more accurately specifying the frequency range via Q value adjustments.What is Parametric Equalization (PEQ)?Parametric equalization refers to the ability to increase or decrease the volume within the Q value range.A Q value is a frequency range relative to a selected frequency. The frequency range decreases when the Q value increases and vice versa.What is Graphic Equalization (GEQ)?Graphic equalization divides the audible frequency register into several registers and increases or decreases the level of each register with a volume slider to adjust the respective frequency's characteristics.The switches of the volume slider are connected like a graph to visually determine the frequency characteristics, hence the name "graphic equalizer."Equipped With a Femto Clock to Deliver True Original SoundAstell&Kern implemented a voltage-controlled crystal oscillator (VCXO) high-precision clock with a reference jitter value of 200 femto seconds. Femto clocks are commonly used in high-end audio systems, and the clock is measured in high-precision femtosecond units(one quadrillionth of a second).What is VCXO?A VCXO, or a voltage-controlled crystal oscillator, is a type of crystal oscillation device that creates oscillation frequencies.External environmental stimuli, which in this case mean voltage inputs, influence the frequency value. Adjustments to the voltage input tunes a precise frequency value.What is Jitter?Jitter refers to the undesired deviation in time that occurs in a periodic signal. In this case, jitter is the error that occurs in the reference clock required to perform the sampling in digital audio equipment.By utilizing a femto clock, the AK300 is able to create a more accurate frequency value and make fine jitter corrections. As a result, the AK300 faithfully reproduces analog sound closer than ever to the original source when transmitting a digital signal as an analog signal.USB DACThe AK300 supports USB DAC functionality.The AK300 can be connected to a PC or Mac via USB for use as a USB DAC that supports PCM/DSD.When playing back music stored on a PC or Mac, the Single-DAC is able to deliver richer audio of outstanding soundstage and resolution well beyond the limits of a built-in sound card.

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General Information

Manufacturer Website Addresshttp://www.iriveramerica.com
Brand NameAstell & Kern
Product TypeFlash MP3 Player
Manufactureririver, Inc
Manufacturer Part NumberAAK3PPE317CCMBLN1
Product NameAK300 64GB Flash MP3 Player
Product ModelAK300

Audio

Audio FormatsMP3, WAV, FLAC, WMA, OGG, APE, AAC, ALAC, AIFF, DFF, DSF, DSD

Physical Characteristics

Width74.9 mm
Depth15.2 mm
Weight Approximate205 g
Height112.3 mm
ColourMidnight Black
Dimensions112.3 mm (H): 74.9 mm (W): 15.2 mm (D)

Network and Communication

Wireless LANYes
BluetoothYes

Display and Graphics

TouchscreenYes
Screen Size10.2 cm (4")

Miscellaneous

Environmentally FriendlyYes
Environmental CertificationWEEE

Storage

Flash Memory Capacity64 GB

Memory

Memory Card SupportedmicroSD

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