Does the JDS Labs Atom Amp 2 drive the AKG K240 Studio?
Computed from rated specifications · target SPL 110 dB · load 32 Ω
Verdict
AmpleThe JDS Labs Atom Amp 2 drives the AKG K240 Studio with ample headroom (~15.2 dB headroom at 32 ohms; needs ~79.4 mW, delivers 2650 mW).
Headroom
15.2 dB
15.2 dB
Required (110 dB SPL)
79.4 mW
79.4 mW
Delivered (@ 32 Ω)
2650 mW
2650 mW
Required voltage
2.09 Vrms
2.09 Vrms
AKG K240 Studio
Dynamic · over-ear
| Impedance | 55.0 Ω rated |
| Sensitivity | 91.0 dB/mW rated |
| Driver | Dynamic |
| Spec basis | Rated |
Rated: AKG official spec (55 Ω, 91 dB/mW at 1 mW). Note: AKG uses dB/V for most models but explicitly states 1 mW here. RAA has no page.
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JDS Labs Atom Amp 2
Desktop Ss · Single Ended
| Output impedance manufacturer | 0.1 Ω |
| Power @ 32 Ω | 2650 mW |
| Power @ 150 Ω | 570 mW |
| Power @ 300 Ω | 286 mW |
| Power @ 600 Ω | 143 mW |
| Power source | Manufacturer |
JDS Labs product page: 2650/570/286/143 mW at 32/150/300/600 Ω per channel. All published — no derivations. Output impedance <0.1 Ω from manufacturer.
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Where to buy
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Other amplifiers for the AKG K240 Studio
| Amplifier | Headroom |
|---|---|
| Schiit Lyr 3 | Ample 18.8 dB |
| Schiit Asgard 3 | Ample 15.0 dB |
| Schiit Magni Heretic | Ample 13.0 dB |
| FiiO K7 | Ample 11.9 dB |
| Little Dot MkII | Marginal 1.0 dB |
| Apple USB-C to 3.5mm | Insufficient -4.1 dB |
Other headphones the JDS Labs Atom Amp 2 can drive
| Headphone | Headroom |
|---|---|
| Koss Porta Pro | Ample 29.8 dB |
| Grado SR80x | Ample 29.5 dB |
| HiFiMan Arya | Ample 19.2 dB |
| AKG K702 | Ample 18.6 dB |
| Beyerdynamic DT 770 Pro 250 | Adequate 9.0 dB |
| Beyerdynamic DT 990 Pro | Adequate 7.9 dB |