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This Week @hfs

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FiiO M33 R2R FiiO M33 R2R FiiO M33 R2R FiiO M33 R2R
FiiO M33 R2R
$999.99

Prices going up Aug 1st.

Portable Smart High-Res Audio Player

Overview:

  • Qualcomm Snapdragon 680

  • Android 13, 8GB+128GB large storage and RAM

  • XMOS XU316 chip

  • 10-band PEQ, supports AUTO EQ

  • Fully differential 24Bit R2R resistor arrays

  • Multi-stage audio circuit with TI op-amps

  • 1100mW+1100mW powerful output

  • M27-derived proprietary DAPS Digital Audio Purification System

  • 5.5-inch 1080p HD display

  • 15.5 hours of long battery life

Noble Audio Osprey Noble Audio Osprey
Sold Out
Noble Audio Osprey
$299.00

More coming July 31st.

Noble Osprey brings signature sound and design into a refined true wireless form, offering an accessible entry without compromising our core identity.
The dual-driver system delivers a clean, well-balanced listening experience with clarity, depth, and control, staying true to the Noble performance standards.

Each earpiece features a distinctive acrylic faceplate with fluid, layered patterns that create depth and individuality. Lightweight, ergonomic, and premium, the Osprey focuses on what matters most, combining performance, comfort, and seamless design for everyday listening experience.

Performance & Technology

  • Hybrid driver configuration: 10mm dynamic + 1 custom balanced armature

  • Clean, balanced sound with excellent clarity and control

  • Bluetooth 5.4 with SBC / AAC / LDAC support

  • Active Noise Cancellation + Transparency Mode

Design & Experience

  • Distinctive acrylic faceplates with layered, fluid patterns—each piece feels unique

  • Lightweight, ergonomic form factor for all-day comfort

  • Built for seamless everyday use while maintaining a premium look and feel

Specifications:

  • Sensitivity: 104+/-3dB at 1KHz

  • Impedance: 32 Ω

  • Bluetooth: 5.4

Astell&Kern PD20 Astell&Kern PD20
Astell&Kern PD20
$2,599.00

Overview:

  • The first DAP to support personalized sound through a hearing test

  • 160-step EQ control via the Sound Master Wheel

  • Triple AMP Class with real-time switching

  • Class A current control with High / Mid / Low modes

  • Proprietary ESA (Enhanced Signal Alignment) technology to minimize group delay

  • Advanced DAR

General Specifications:

  • Model: PD20

  • Body Color: Silver

  • Body Material: Aluminum

  • Display: 6inch 2160 x 1080 Touch screen

  • Supported Audio Formats: WAV, FLAC, WMA, MP3, OGG, APE, AAC, ALAC, AIFF, DFF, DSF

  • Sample rate:

    PCM : 8kHz ~ 768kHz (8/16/24/32bits per Sample)
    DSD Native: DSD64(1bit 2.8MHz), Stereo / DSD128(1bit 5.6MHz), Stereo
    DSD256(1bit 11.2MHz), Stereo / DSD512(1bit 22.4MHz), Stereo

  • Output Level: Unbalanced 5Vrms │ Balanced 10Vrms (Condition No Load)

  • CPU: Octa-Core

  • DAC: ESS ES9027PRO x4 (Quad-DAC)

  • Decoding: Support up to 32bit / 768kHz Bit to Bit playback

  • Input: USB Type-C input (for Charging & PC & MAC)

  • Outputs

    Unbalanced Out (3.5mm), Optical Out(3.5mm)
    Balanced Out (4.4mm, only 5-pole supported)

  • Wi-Fi: 802.11 a/b/g/n/ac (2.4/5GHz)

  • Bluetooth: V5.3 (A2DP, AVRCP, Qualcomm® aptX™ HD, LDAC, LHDC, SBC, AAC)

  • Dimensions: 3.05” (77.5mm)[W] x 6.12” (155.7mm)[H] x 0.68” (17.3mm)[D]

  • Weight: about 11.04oz (313g)

  • Feature Enhancements: Firmware upgrade supported (OTA)

  • Operating Temperature: 0℃ ~ + 40℃ (32℉~ 104℉)

Audio Specifications:

  • Frequency Response

    ±0.005dB (Condition : 20Hz~20kHz) Unbalanced │ ±0.010dB (Condition : 20Hz~20kHz) Balanced
    ±0.020dB (Condition : 20Hz~70kHz) Unbalanced │ ±0.020dB (Condition : 20Hz~70kHz) Balanced

  • S/N

    124dB @ 1kHz, Unbalanced │ 127dB @ 1kHz, Balanced

  • Crosstalk

    -133dB @ 1kHz, Unbalanced │ -140dB @ 1kHz, Balanced

  • THD+N

    0.0003% @ 1kHz, Unbalanced │ 0.0004% @ 1kHz, Balanced

  • IMD SMPTE

    0.0006% 800Hz 10kHz (4:1) Unbalanced │Balanced

  • Output Impedance

    Unbalanced Out 3.5mm (0.7ohm) │ Balanced Out 4.4mm(1.7ohm)
    * Audio measurement specifications are based on AMP Class AB.

Clock Source

  • Clock Jitter: 25pS (Typ.)

  • Reference Clock Jitter:250 Femto Seconds

Storage Capacity

  • Built-in Memory: 256GB [NAND]

  • External Memory: microSD x1 (Max. 2TB)

Battery

  • Capacity: 5,770mAh 3.8V Li-Polymer

  • Charge Time: about 4hours (PD3.0 Charging)

  • Playback Time: about 14hours (Standard : FLAC, 16bit, 44.1kHz, Vol.50, Class AB, LCD Off)

Supported OS

  • Supported OS: Windows 8,10,11(32/64bit) MAC OS X 10.7

1 available

@ Headfoneshop this Month

Limited Edition of Noble Audio FoKus Apollo Pro - improving upon FoKus Apollo.

Final ZE500 for ASMR - TWE focusing on vocals and compact / low profile form factor for comfortable use, even in bed.

Dan Clark Audio Aeon Core Closed Back Headphones are an update to Aeon 2.

What’s Hot

Customers looking for sub $200 IEMs, Shanling Tino priced at $129 is popular at the moment.

If you’re looking for a dongle dac/amp, Onix X1i is a top choice sub $300

HEDDphone D1 as an open back $1K headphone is gaining a lot of attention in store.

Noble Osprey are one of the best sounding / dynamic TWE priced only at $300. Very fun sound signature.