Does the Topping DX3 Pro+ drive the AKG K712 Pro?
Computed from rated specifications · target SPL 110 dB · load 32 Ω
Verdict
AmpleThe Topping DX3 Pro+ drives the AKG K712 Pro with ample headroom (~15.5 dB headroom at 32 ohms; needs ~51.1 mW, delivers 1800 mW).
Headroom
15.5 dB
15.5 dB
Required (110 dB SPL)
51.1 mW
51.1 mW
Delivered (@ 32 Ω)
1800 mW
1800 mW
Required voltage
1.78 Vrms
1.78 Vrms
AKG K712 Pro
Dynamic · over-ear
| Impedance | 62.0 Ω rated |
| Sensitivity | 92.92 dB/mW rated |
| Driver | Dynamic |
| Spec basis | Rated |
Rated: AKG official spec (62 Ω, 105 dB/V). RAA has no separate K712 Pro page.
· Source ↗
Topping DX3 Pro+
Dac Amp · Single Ended
| Output impedance manufacturer | 0.1 Ω |
| Power @ 32 Ω | 1800 mW |
| Power @ 300 Ω | 250 mW |
| Power @ 600 Ω | 125 mW *est. |
| Power source | Manufacturer |
* Loads marked "est." are derived from the published voltage ceiling at a lower-impedance load
(V = √(P·R) → P_higher = V²/R_higher). All derivations are upward only.
Topping DX3 Pro+ SE headphone output: 1800 mW @ 32 Ω, 250 mW @ 300 Ω (from Topping official spec). Output impedance <0.1 Ω. 600 Ω derived from 300 Ω.
· Source ↗
Where to buy
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Other amplifiers for the AKG K712 Pro
| Amplifier | Headroom |
|---|---|
| Schiit Lyr 3 | Ample 20.7 dB |
| JDS Labs Atom Amp 2 | Ample 17.2 dB |
| Schiit Magni Heretic | Ample 15.0 dB |
| FiiO K7 | Ample 13.8 dB |
| Little Dot MkII | Marginal 2.9 dB |
| Apple USB-C to 3.5mm | Insufficient -2.2 dB |
Other headphones the Topping DX3 Pro+ can drive
| Headphone | Headroom |
|---|---|
| Koss Porta Pro | Ample 28.2 dB |
| Grado SR80x | Ample 27.9 dB |
| HiFiMan Arya | Ample 17.5 dB |
| Sennheiser HD 660S | Ample 17.4 dB |
| Beyerdynamic DT 770 Pro 250 | Adequate 8.4 dB |
| Beyerdynamic DT 990 Pro | Adequate 7.3 dB |