HIFIMAN HM650 + Grado SR225E

General Features:

• High-Fidelity Portable Lossless Digital Music Player
• WM8740 High Quality HIFI Decoder Chips
• 14.8v power supply supports high quality sound
• Balanced outputs
• Taichi user interface for Rapid response
• Step Potentiometer Volume Control
• Expandable Design allows you to interchange different amplifier cards
• Supported Music Formats:
• MP3
• WAV
• FLAC
• APE
• Apple Loss less
• Dimensions: 4.6"W x 2.8"D x 1.1"H
• Authorized Internet Dealer
• 1-year Manufacturer's Warranty

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

General Features:

• On-Ear Prestige Series Stereo Headphones
• Open-back, over-the-ear design
• Large dynamic speaker driver produces amazingly clear sound
• Vented diaphragms (open-air) for spacious, low-distortion sound and extended bass response
• Special "de-stressed" diaphragms and an eight conductor connecting cable for enhanced levels of inner detail with a more open sound
• Grado's SpaceBlack Polycarbonate enclosures minimize unwanted vibration and resonance for cleaner, clearer sound
• Adjustable headband for comfortable listening sessions
• Driver pairs matched to within 0.05 dB for better stereo imaging
• Ultra-high purity, long-crystal copper (UHPLC) voice coil wire
• Ultra-high purity, 8-conductor headphone cable terminated with a 1/8" plug
• 1/4" plug adapter included
• Authorized Internet Dealer
• 1-year Manufacturer's Warranty

Product Specifications:

• Frequency Response: 20-22,000 Hz
• Sensitivity: 99.8dB
• Nominal Impedance: 32 Ohm
• Cord Length: 67 in. (170.18 cm.)
• Cable Type: 8-Conductor OFC
• Plug Size: 1/8" (3.5mm)
• Plug Construction: Straight Plug
• Weight/Mass: 9.9 oz (280.66 g)

What's in the Box?

1. On-ear headphones with attached 67" cable (3.5mm" plug)
2. 1/4" adapter (installed)
3. "Celebrating Over 60 Years of Tradition" sheet
4. Headphone/Warranty info sheet