Does the Schiit Fulla 4 drive the Beyerdynamic DT 880 Pro?

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

Verdict

Marginal

The Schiit Fulla 4 marginally drives the Beyerdynamic DT 880 Pro; barely reaches target SPL (~1.6 dB headroom at 300 ohms; needs ~27.9 mW, delivers 40 mW).

Headroom
1.6 dB
Required (110 dB SPL)
27.9 mW
Delivered (@ 300 Ω)
40 mW
Required voltage
2.66 Vrms

Power Headroom

Headroom: 1.6 dB 0 · target 1.6 dB below target marginal adequate ample -14 dB +10 +20 +36 dB

Scale shows dB headroom above the 27.9 mW required to reach 110 dB SPL. Amp delivers 40 mW at 300 Ω (+1.6 dB above target).

Beyerdynamic DT 880 Pro Dynamic · over-ear
Impedance (rated) 250 Ω
Impedance (measured) Source: reference-audio-analyzer.pro/en/r… 253.1 Ω measured
Sensitivity 95.55 dB/mW measured
Driver Dynamic
Spec basis Measured
Measured by Reference Audio Analyzer (https://reference-audio-analyzer.pro/en/report/hp/beyerdynamic-dt-880-pro.php) · Source ↗
Schiit Fulla 4 Dac Amp · Single Ended
Output impedance manufacturer 0.5 Ω
Power @ 16 Ω 300 mW
Power @ 32 Ω 200 mW
Power @ 50 Ω 150 mW
Power @ 300 Ω 40 mW
Power @ 600 Ω 20 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.
Schiit Fulla 4 manufacturer spec: 300/200/150/40 mW at 16/32/50/300 Ω. NOTE: prior project fixture used 400/300/220/40 — those figures match the Fulla 3 or an earlier revision; updated to Fulla 4 (current product). Output impedance from Schiit spec. · Source ↗

Where to buy

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