※It has a cigarette smell, so it's cheap. High performance headphone amplifier with topping. It is compatible with a variety of headphones, and is an inexpensive yet cost-effective one. The size is also compact, so I recommend it. The exterior is dull. Serial 2101691163 (Tamura Eiji)
Maintenance information: 2024.4.16 Operation confirmed
Accessories: none
Main specifications: 3-stage gain setting, built-in NFCA circuit, dynamic range 145 dB, W222 x H45 x D160 mm
The price has been reduced! 2023/2/27 sales price 138,000 yen Compatible with PCM768 kHz 32 bit and DSD 11.2 MHz. It makes full use of RME's technology, such as SteadyClock FS, which suppresses jitter to the extreme and enables DA conversion that is faithful to the original sound, and has taken over the colorless, transparent sound that received high praise with the ADI-2 Pro, which is the company's flagship AD/DA converter. It is equipped with various functions such as bass and treble adjustment, loudness, 5-band parametric EQ, and crossfeed that are fully processed by DSP. The exterior is generally beautiful with no noticeable scratches (Tomonori Asae)
Maintenance information: 2023.2.27 operation confirmed ※ The AC adapter has a lock mechanism, so please be careful when turning on the power.
Accessories: remote control instruction manual, connection cord, original box
Main specifications: synchronous band 32 kHz to 200 kHz sampling frequency 44.1, 96, 192, 384, 768 kHz quantized bits 32 bits power consumption 18 W dimensions 215x52x150 mm weight 1.0 kg
First arrival at Hi-Fi-do! Digital breakout cable (sold separately) included High-end AD/DA converter compatible with maximum sample rate PCM768kHz and DSD11.2MHz Not only is it an excellent USB-DAC, but also a very powerful high-output headphone amplifier that supports balanced driving, demonstrates power beyond its size. It also has a high-resolution display, so you can enjoy music with your hearing and sight. There are no noticeable scratches (Sasaki Shota)
Maintenance information: 2022.5.3 operation confirmed
Accessories: manual, original box, power adapter, conversion connector (digital breakout cable)
Main specifications: Audio interface maximum sampling frequency PCM768kHz, DSD11.2MHz Output impedance: 200 Ω balance, 100 Ω unbalance
It is a high-quality premain amplifier that supports 192 kHz USB input. Equipped with a low-power Class-D amplifier. Equipped with an input terminal that can input various audio devices, and is compatible with PC audio, which plays back audio files from a computer with high sound quality. It is equipped with a high-quality headphone output that uses one operational amplifier for each channel, and is easy to use. There is a thread on the exterior. Also, the lamp on the right channel is slightly higher than the left, but it is the current situation. Serial 0110187 (Satoshi Yonejima)
Maintenance info: 2022.7.31 Operation confirmed
Accessories: copy of instruction manual, power cable
Main specifications: 68W+68W (4Ω) 34W+34W (8Ω) W290W × H81 × D264mm (including protrusions) 4.0kg
Full range quad mono output using 4 Asahi Kasei flagship DAC chips AK4499! It operates in MONO mode, and uses 4 DAC boards in sets of 2 (dAC1 to 2 is RCH, dAC3 to 4 is LCH) DSD is not compatible, but its extremely powerful and vivid sound is worth listening to. There are no noticeable scratches on the exterior (Tamura Eiji)
Maintenance information: 2024.1.18 Operation confirmed (compatible up to 192)
Accessories: manual copy, power cable, gloves
Main specifications: Asahi Kasei AK4499 x 4 pieces W430 x H80 x D330 mm weight 4.7 kg
We have cut the price! 2021/8/30 selling price 27,800 yen* 6 months warranty. USB DAC/Headphone Amplifier with PCM and DSD11.2MHz up to 384KHz/32bit. A total of two ESS DAC “ES9028Q2M” are installed independently on the left and right, and are used in dual mono. The appearance has small scratches and dullness on the top plate. Serial AL384D17Q00 (Satoshi Yonejima)
Maintenance information: 2021.8.30 operation confirmed
Accessories: connection cord, AC adapter
Key specifications: USB connection maximum supported sampling rate: DSD 11.2MHz, PCM 384kHz/32bit PCM up to 192kHz/24bit optical TOS and RCA coaxial digital Equipped with 1 input terminal each Headphone output is up to 130mW+130mW (32Ω) RCA imbalance for line output 1 system crystal oscillator is 24.576MHz (for 48kHz system), Equipped with 2 systems of 22.5792MHz (for 44.1 kHz system) Dimensions: 144 × D127 × H53 mm Mass: Approx. 270g
※Since it is cheap, it is currently sold. This USB-DAC is compatible with high-resolution sound sources. It is compatible with PCM up to 384 kHz/32 bit and DSD up to 11.2 MHz (DSD256). It also has a headphone output, so it can also be used as a headphone amplifier. Recommended for those who want to listen to high-resolution compactness with high sound quality. Serial AL384D19R00461 (Fujisawa Yukishi)
Maintenance information: 2023.12.30 Operation confirmed
Accessories: AC adapter
Main specifications: digital input USB16/24/32 bit compatible sampling PCM44.1/48/88.2/96/176.4/192/352.8/384 kHz DSD 2.8 MHz (DSD64), 5.6 MHz (DSD128), 11.2 MHz (DSD256) electronic volume headphone amplifier IC (TPA6130A2) mounted dimensions W144 x H53 x D127 mm weight approx. 630 g
* There is no problem with operation, but it is currently sold because it is cheap. It is a USB-DAC compatible with high-resolution sound sources. Supports PCM up to 384KHz/32bit, DSD11.2MHz (DSD256). There is also a headphone output, which can also be used as a headphone amplifier. It is recommended for those who want to listen to high-resolution sound in a compact manner. The appearance has small scratches and dullness. Serial AL374150C0848
Maintenance information: 2021.8.30 operation confirmed
Accessories: AC adapter
Main specifications: digital input USB16/24/32bit compatible sampling PCM44.1/48/88.2/96/176.4/192/352.8/384kHz DSD2.8MHz ( DSD64), 5.6MHz (DSD128), 11.2MHz (DSD256) Electronic Volume Headphone Amplifier IC (TPA6130A2), Dimensions W120×H107×D35mm Weight Approx. 270 g
* Power adapter is missing. There is no problem with the operation, but it is sold as it is because it is cheap. It is a USB-DAC compatible with high-resolution sound sources. PCM supports up to 384kHz/32bit, DSD11.2MHz (DSD256). There is also a headphone output, which can also be used as a headphone amplifier. It is recommended for those who want to listen to high resolution in a compact manner with high sound quality. The appearance has small scratches and dullness (Yoichi Murakoshi)
Maintenance information: 2022.2.28 sound output confirmed
Accessories: none
Main specifications: Digital input USB16/24/32bit compatible sampling PCM44.1/48/88.2/96/176.4/192/352.8/384kHz DSD2.8MHz DSD64), 5.6 MHz (DSD128), 11.2MHz (DSD256) Electronic Volume Headphone Amplifier IC (TPA6130A2) Mounted Dimensions W120 × H107 × D35 mm Weight Approx. 270 g
Discrete Resistor Ladder Type DAC Supports 24bit/1536kHz, native DSD1024 It is a sound with a sense of transparency and low distortion that is not found in common mainstream integrated DAC chips. The appearance is dull (Satoshi Yonejima)
Maintenance Information: 2022.5.25 Operation confirmed
Accessories: Instruction manual (English), power cable
Main Specifications: COAX OPT: 24bit/44.1, 48, 88.2, 96, 176.4, 192 kHz USB: 32bit/44.1, 48, 88.2, 96, 176.4, 192, 358.2 , 384, 705.6, 768, 1411.2, 1536 kHz W215 × H45 × D230mm Weight Approx. 3.5kg
※Operation has been confirmed, but since it is inexpensive, it is currently sold. Parts Connection D/A converter from another Sonic Frontier brand. It's made with a lot of high quality materials in this small frame, and even at this price, so for mini size enthusiasts, it's a car worth trying at least once. The exterior is dirty and dull, and there is a feeling of use (Hiura Katsutsugu)
Maintenance information:2023.8.14 Sound output confirmed
Accessories: power cable
Main specifications: input optical, 1 coaxial system, W242 x H51 x D178 mm, weight 2 kg
6 month warranty. It's made with a lot of high quality materials in this small frame, and even at this price, so for mini size enthusiasts, it's a car worth trying at least once. The appearance, dullness, and feeling of use can be seen (Kobayashi Hitoshi)
Maintenance information: 2023.8.14 Operation confirmed
Accessories: none
Main specifications: input BNC, optical, AES/EBU, 1 system with phase switching, W240 x H50 x D240 mm 2.4 g (actual measurement)
I cut the price! 2021/6/3 Selling price 2,000 yen ※ It will be passed as it is cheap. Audio-Technica is a digital audio converter. It is a convenient accessory that can convert optical digital signals and coaxial digital signals alternately. In appearance, there is a dullness. Serial 242 (Satoshi Yonejima)
Maintenance Information: 2021.6.3 Operation confirmed
Accessories: Instruction manual, original box, AC adapter
Main specifications: Supported sampling frequency: 32kHz, 44.1kHz, 48kHz, 96kHz H30 × W70 × D72 mm Approx. 120g
* Current sales items. An optical/coaxial bidirectional converter that can freely convert optical and coaxial digital signals. It is a convenient item depending on how to use it, such as when there is no terminal corresponding to the player or amplifier (Itsuro Mizushima)
Maintenance info: 2021.11.13 Operation confirmed
Accessories: instruction manual, power adapter
Main specifications: Input terminal/square optical jack × 1, coaxial (RCA pin) jack × 1 Output terminal/square optical jack × 1, coaxial (RCA pin) jack × 1 Sampling frequency 32 kHz · 44.1 kHz · Compatible with 48kHz and 96kHz, W 128 × H26 × D71.5 mm Approx. 220 g
* Because the USB cable for power supply is missing, it is inexpensive. RME USB audio interface. Genuine Imported Simplify & compact the popular Fireface series, equipped with a 192kHz AD/DA converter and 2 high-definition microphone preamps! The SteadyClock is also equipped with 200MHz operation, which also suppresses digital jitter. Digital input/output, headphone terminals, and TRS unbalanced terminals are integrated into the main unit, and USB bus power are also supported, so minimal system construction is possible. Recommended for those who enjoy audio on PC. The appearance is generally beautiful. (Tomoho Asaine)
Maintenance Information: 2021.5.30 Operation confirmed
Accessories: Instruction manual, breakout cable (XLR) carrying case, driver CD source box* Missing USB cable for power supply
Main Specifications: USB bus power analog input/XLR × 2 Analog output: /XLR x 2 TRS Phone x 1 Digital input/Optical terminal x 1 Digital output/Optical Terminal × 1 W100 × H25 × D160mm Approx. 500g