OPPO / OPP-HA2-CR

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This portable headphone amplifier/USB DAC supports high-resolution audio. It features the ESS Technology ES9018K2M mobile DAC chip. It can play PCM data up to 384kHz/32-bit and DSD data up to 11.2MHz (DSD256), allowing you to enjoy any high-resolution audio source. Its elegant, slim design allows you to enjoy high-quality audio anytime, anywhere. Its color is cherry red.

■ Equipped with the ES9018K2M driver for high-quality playback of high-resolution audio sources
■ USB digital input allows connection to iOS devices, Android devices, and PCs
■ Supports fast charging despite its compact, slim body
■ Equipped with a mobile battery function that can also power smartphones
■ Elegant design with an aluminum body and a book jacket-like finish

■ Product Name: HA-2 (Cherry Red)
■ Model Number: OPP-HA2-CR
■ Color: Cherry Red
■ Frequency Response: 20Hz - 200kHz
■ Analog Audio Input Level: 1Vrms
■ Line Output Level: 1Vrms
■ Recommended Headphone Impedance: 16Ω - 300Ω
■ Maximum Headphone Output Level:
・300mW (16Ω)
・220mW (32Ω)
・30mW (300Ω)
■Output Terminals:
- Headphone Output: 3.5mm Stereo Mini
- Line Output: 3.5mm Stereo Mini
■Input Terminals:
- Analog Audio: 3.5mm Stereo Mini
- Digital: USB A (iPod/iPhone/iPad), USB Micro-B (Smartphones and computers with USB OTG function)
■DAC Chip: ESS Sabre32 Reference ES9018K2M
■Input Format: Stereo PCM, Stereo DSD (DoP v1.1 or Native)
■PCM Sampling Frequency: 44.1kHz-384kHz, 16/24/32-bit
■DSD Sampling Frequency: 2.8224MHz (DSD64), 5.6448MHz (DSD128), 11.2896MHz (DSD256, Native only)
■Profile: USB 2.0, USB Audio CLASS 2.0
■External dimensions: 68W x 157H x 12D (mm)
■Weight: Approximately 175g

■Built-in battery: 3000mAh lithium polymer rechargeable battery
■Battery life:
・Approximately 13 hours (analog audio input)
・Approximately 7 hours (USB digital input)
■Charging time: Approximately 1 hour 30 minutes

■USB A to Lightning (data cable) x 1
■USB Micro-B to USB Micro-B (OTG data cable) x 1
■3.5mm to 3.5mm stereo mini audio cable x 1
■USB A to USB Micro-B (data and charging cable) x 1
■VOOC fast charger x 1
■Silicone rubber bands x 2
■User guide