Does the Topping DX3 Pro+ drive the Sennheiser HD 600?

Computed from measured specifications · target SPL 110 dB · load 300 Ω

Ample

The Topping DX3 Pro+ drives the Sennheiser HD 600 with ample headroom (~14.5 dB headroom at 300 ohms; needs ~8.9 mW, delivers 250 mW).

Headroom
14.5 dB
Required (110 dB SPL)
8.9 mW
Delivered (@ 300 Ω)
250 mW
Required voltage
1.77 Vrms

Power Headroom

Headroom: 14.5 dB 0 · target 14.5 dB below target marginal adequate ample -14 dB +10 +20 +36 dB

Scale shows dB headroom above the 8.9 mW required to reach 110 dB SPL. Amp delivers 250 mW at 300 Ω (+14.5 dB above target).

Sennheiser HD 600 Dynamic · over-ear
Impedance (rated) 300 Ω
Impedance (measured) Source: reference-audio-analyzer.pro/en/r… 352.1 Ω measured
Sensitivity 100.5 dB/mW measured
Driver Dynamic
Spec basis Measured
Measured by Reference Audio Analyzer (https://reference-audio-analyzer.pro/en/report/hp/sennheiser-hd-600.php) · 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

Topping DX3 Pro+ on Amazon ↗ Sennheiser HD 600 on Amazon ↗

Disclosure: links above are Amazon affiliate links. As an Amazon Associate this site earns from qualifying purchases — at no extra cost to you. Affiliate commissions do not influence verdicts; all analysis is computed independently from the data.

AmplifierHeadroom
Schiit Lyr 3 Ample 20.0 dB
Schiit Valhalla 2 Ample 19.5 dB
JDS Labs Atom Amp 2 Ample 15.1 dB
Topping L30 Ample 15.0 dB
iFi Zen DAC V2 Adequate 6.1 dB
Apple USB-C to 3.5mm Insufficient -4.3 dB

See all amplifiers for the Sennheiser HD 600 →

HeadphoneHeadroom
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

See all headphones for the Topping DX3 Pro+ →