OPPO HA-2 Portable Headphone Amplifier & DAC

High-resolution USB DAC for Apple/Android/PC/Mac
ESS Sabre32 Reference ES9018-K2M DAC chip
Two gain settings for optimal headphone matching

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The HA-2 is a chic yet refined transportable headphone amplifier with built-in rechargeable battery. It’s engineered to fortify music playback from cellphones and transportable music players. Aesthetically, the HA-2 does now not seem like a standard or generic electronic software.

SPECIFICATIONS

Dimensions WxHxD: 2.7×5.375×0.5 inches, 68x137x12 mm

Weight: 6.2 oz., 175 grams

Frequency Response: 20 Hz – 200 kHz

Audio-in Stage: 1 Vrms

Line-out Stage: 1 Vrms

Headphone Impedance: 16 Ohm – 300 Ohm

Max Headphone Output Power: 300 mW into 16 Ohm, 220 mW into 32 Ohm, 30 mW into 300 Ohm

Headphone Amplifier Output Impedance: 0.5 Ohm

Output Jacks: 3.5 mm stereo headphone, 3.5 mm stereo line-out, Input Ports

Analog: 3.5 mm stereo audio-in

Digital: USB A for iPod / iPhone / iPad; USB micro-B for smartphones with USB OTG characteristic and computers.

DAC Chip: ESS Sabre32 Reference ES9018-K2M

Input Format: Stereo PCM, Stereo DSD (DoP v1.1 or local)

PCM Sampling Frequencies: 44.1 kHz-384 kHz, sixteen/24/32-bit

DSD Sampling Freq: 2.8224 MHz (DSD64), 5.6448 MHz (DSD128), 11.2896 MHz (DSD256, local mode handiest)

Profile: USB 2.0, USB Audio 2.0

Built-in Battery: 3000 mAh lithium polymer

Battery Operation Time: Approx. 13 hours for analog supply by means of Audio-in; approx. 7 hours for digital sources by means of USB

Charging Time: Approx. 1 hour 30 mins

INCLUDED ACCESSORIES

Power Provide Unit (Fast Charging Charger)

USB A – USB micro-B information and Fast charging cable

USB A – Lightning information cable (for Apple devices)

USB micro-B to micro-B information cable (for Android and different smartphones)

3.5 mm – 3.5 mm stereo audio cable

Silicone rubber band (2 items)

User information and guaranty documents
Prime-solution USB DAC for Apple/Android/PC/Mac
ESS Sabre32 Reference ES9018-K2M DAC chip
Two gain settings for optimal headphone matching
Mobile power bank for charging your telephone

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