Headphones the Schiit Valhalla 2 Drives

Desktop Tube · Single Ended

Output impedance 14.0 Ω manufacturer
Output type Single Ended Desktop Tube
Power output 180 mW @ 50 Ω 800 mW @ 300 Ω 450 mW @ 600 Ω
Schiit Valhalla 2 manufacturer spec (Audiophonics retailer, citing Schiit official): 180/800/450 mW at 50/300/600 Ω. OTL/hybrid topology: more power into 300 Ω than 50 Ω (normal for OTL). Output impedance 14 Ω (hi-gain) / 3.5 Ω (lo-gain) from Schiit PDF manual and Schiit Europe. Using 14 Ω as worst-case for damping check. · Source ↗
23 ample 7 adequate 1 marginal

✓ Ample headroom 23

Headphone Headroom Damping Driver
Sennheiser HD 660S Ample 22.5 dB ✓ ok Dynamic
Sennheiser HD 800 S Ample 20.6 dB ✓ ok Dynamic
Sennheiser HD 600 Ample 19.5 dB ✓ ok Dynamic
Sennheiser HD 650 Ample 19.4 dB ✓ ok Dynamic
Koss Porta Pro Ample 18.2 dB ✓ ok Dynamic
Grado SR80x Ample 17.9 dB ✓ ok Dynamic
AKG K371 Ample 17.3 dB ✓ ok Dynamic
Drop + Sennheiser HD 6XX Ample 16.8 dB ✓ ok Dynamic
Beyerdynamic T1 (3rd Gen) Ample 16.5 dB ✓ ok Dynamic
Sennheiser HD 560S Ample 16.3 dB ✓ ok Dynamic
Sony MDR-7506 Ample 16.2 dB ✓ ok Dynamic
Meze 99 Classics Ample 15.6 dB ✓ ok Dynamic
Beyerdynamic DT 880 Pro Ample 14.6 dB ✓ ok Dynamic
Audio-Technica ATH-R70x Ample 14.5 dB ✓ ok Dynamic
Philips SHP9500 Ample 13.6 dB ✓ ok Dynamic
Audeze LCD-2 Classic Ample 13.6 dB ✓ ok Planar
Beyerdynamic DT 770 Pro 250 Ample 13.5 dB ✓ ok Dynamic
Sennheiser HD 599 Ample 13.5 dB ✓ ok Dynamic
Audio-Technica ATH-M50x Ample 12.8 dB ✓ ok Dynamic
Audio-Technica ATH-AD700X Ample 12.6 dB ✓ ok Dynamic
Focal Clear (original) Ample 12.6 dB ✓ ok Dynamic
Beyerdynamic DT 990 Pro Ample 12.4 dB ✓ ok Dynamic
Audeze LCD-X Ample 12.2 dB ⚠ caution Planar

◑ Adequate headroom 7

Headphone Headroom Damping Driver
Beyerdynamic DT 770 Pro 80 Adequate 8.8 dB ✓ ok Dynamic
HiFiMan Arya Adequate 7.5 dB ✓ ok Planar
AKG K702 Adequate 6.9 dB ✓ ok Dynamic
AKG K712 Pro Adequate 5.5 dB ✓ ok Dynamic
HiFiMan Sundara Adequate 5.2 dB ✓ ok Planar
HiFiMan Edition XS Adequate 4.4 dB ⚠ caution Planar
AKG K240 Studio Adequate 3.6 dB ✓ ok Dynamic

△ Marginal headroom 1

Headphone Headroom Damping Driver
Fostex T50RP Mk3 Marginal 1.7 dB ✓ ok Planar