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    Monolith by Monoprice Portable Headphone Amplifier and DAC with THX AAA Technology
    Product # 24460
    $279.99
    Out of Stock ETA: 11/2/2018

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    Model 24460
    Inputs 1x unbalanced 3.5mm TRS, 1x Optical, 1x USB
    Playable Frequency Response 1Hz ~ 20kHz ±0.5dB
    Signal-to-Noise Ratio (A-Weighted) > 117dB
    Dynamic Range > 117dB
    Total Harmonic Distortion < 0.001%
    Crosstalk < 100dB
    Maximum Output Voltage 3.7 Vrms
    Maximum 3.5mm Analog Input Voltage 2.0 Vrms
    3.5mm Analog Input Impedance 10 kilohms
    Optical Sampling Frequency 32 ~ 96 kHz
    Maximum Optical Resolution 24 bits
    USB Sampling Frequency 32 ~ 192 kHz
    Maximum Coaxial Resolution 24 bits
    Direct Stream Digital™ Support DSD64, DSD128
    Battery Capacity 4000mAh
    Charging Power 5 VDC, 2A
    USB Wall Charger Input Power 100 ~ 240 VAC, 50/60 Hz
    Dimensions 5.4" x 2.8" x 0.6"
    Weight 0.5 lbs.


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    Browse 9 questions Browse 9 questions and 9 answers
    Will this include a cable to connect an iPhone?
    Brian M on Sep 5, 2017
    BEST ANSWER: Just get an micro usb to lightning adapter and will work just fine, $13 on amazon
    Does this have balanced headphone out?
    New User U on Jan 3, 2018
    BEST ANSWER: This portable headphone amp uses a standard 3.5mm Stereo output jack. It is not a balanced out.
    Can these drive 300 Ohm headphones? (i.e. hd800s with sensitivity 102 db (1 kHz, 1 Vrm) )
    Tareq A on Mar 1, 2018
    BEST ANSWER: Yes, this THX Portable HPA with drive headphones from 16-600Ω.
    I presume this portable unit will have a USB-in and standard headphone-out. Will it have any other inputs and/or outputs, like coaxial or optical digital?
    A shopper on Mar 4, 2018
    BEST ANSWER: Product description and manual are load on the product page now. This THX HPA does have USB and Mini Optical inputs.
    How high impedance headphones can this drive?
    James M on Mar 7, 2018
    How the heck do they expect anyone to purchase this when they aren't publishing any specs? Where's the THD, S/N ratio, power output, file formats supported, etc?
    Tom P on Oct 24, 2017
    BEST ANSWER: There will be much more content added to the product page, including specs, as we get closer to launch.
    I'm hoping this unit will use USB Type-C for all data and charging connections. Is this the case?
    A shopper on Apr 27, 2018
    BEST ANSWER: USB-Micro.
    Will this headphone amp be MFi Certified?
    Jay H on Dec 12, 2017
    BEST ANSWER: No it will not.
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