HIFIMAN HM901 + Grado GR8E

General Features:

• State of the art portable audiophile-grade music player
• Unrivaled sound reproduction thanks to two internal ES9018 32 bit DAC chips
• Each chip converts digital signals to analog signals for each channel
• Intuitive on-board controls and user interface
• Balanced output earphone jack
• Comes with standard amplifier card
• Expandable via multiple amp cards including:
• Balanced card
• IEM card
• Minibox card
• Amplifier cards offer different listening experiences catered to meet different sound preferences
• Compatible Music Formats:
• 24 bit: WAV, FLAC, ALAC (MP4)
• 16 bit: AIFF, AAC, APE (16bit/44.1 KHz & 48 KHz)
• Frequency Response: 20-20,000 Hz
• Signal-to-Noise Ratio: 106dB
• Distortion: 0.008%
• High quality full color LCD display
• Memory: Supports up to 128GB SD card
• Replaceable rechargeable Lithium ion battery
• Battery Life: Up to 9 Hours
• Dimensions: 2.83"W x 4.6"H x 1.14"D
• Authorized Internet Dealer
• 1-year Manufacturer's Warranty

What's in the Box?

• HIFIMAN HM-901 High Fidelity Portable Music Player
• Standard Amplifier Card
• USB Cable
• S/P DIF Input/RCA Line Out Cable
• Charging Cable
• User Guide

Is this the Player for You?

Check out the HIFIMAN HM-901 User Manual

Note: HiFiMAN products can only be shipped to customers in the United States

Also found as: HM901

General Features:

• Wired Lightweight Isolating Stereo Headphones
• In-ear design
• Single moving armature design for natural, lifelike sound
• Designed with a snug fit for active people
• 51" Cable with oxygen-free copper conductors and gold-plated stereo mini plug
• Great for the traveler and audiophile
• Includes different size tips for added comfort and sound quality
• A headphone amplifier is stongly recommended for maximum audio performance due to the high impedance of these headphones, however it is not required. A lower impedance is generally more suitable for portable devices like phones and mp3 players.
• Want to protect your investment? Check out our in-ear headphone case sold separately.
• Color: Blue & Gold
• Authorized Internet Dealer
• 1-year Manufacturer's Warranty

Product Specifications:

• Frequency Response: 20-20,000 Hz
• Sensitivity: 116dB
• Nominal Impedance: 120 Ohm
• Cord Length: 53 in. (134.62 cm.)
• Cable Type: OFC (Oxygen-Free Copper)
• Plug Size: 1/8" (3.5mm)
• Weight/Mass: 0.317 oz (9g)
• Max Input Power: 20mW

What's in the Box?

1. In-ear headphones with attached 53" cable (straight 3.5mm plug)
2. 3 Pairs of silicon ear tips (small / medium (installed) / large)
3. 4 Circular cloth filters
4. 2 Filter mounting rings
5. Specifications card