Does the Drop THX AAA 789 drive the Audio-Technica ATH-AD700X?

Computed from rated specifications · target SPL 110 dB · load 32 Ω

Ample

The Drop THX AAA 789 drives the Audio-Technica ATH-AD700X with ample headroom (~22.6 dB headroom at 32 ohms; needs ~10.0 mW, delivers 1800 mW).

Headroom
22.6 dB
Required (110 dB SPL)
10.0 mW
Delivered (@ 32 Ω)
1800 mW
Required voltage
0.62 Vrms

Power Headroom

Headroom: 22.6 dB 0 · target 22.6 dB below target marginal adequate ample -14 dB +10 +20 +36 dB

Scale shows dB headroom above the 10.0 mW required to reach 110 dB SPL. Amp delivers 1800 mW at 32 Ω (+22.6 dB above target).

Audio-Technica ATH-AD700X Dynamic · over-ear
Impedance 38.0 Ω rated
Sensitivity 100.0 dB/mW rated
Driver Dynamic
Spec basis Rated
Rated: Audio-Technica official spec (38 Ω, 100 dB/mW). RAA has no measurement page for this model. · Source ↗
Drop THX AAA 789 Desktop Ss · Single Ended
Output impedance manufacturer 0.1 Ω
Power @ 16 Ω 3000 mW
Power @ 32 Ω 1800 mW
Power @ 300 Ω 200 mW
Power @ 600 Ω 100 mW
Power source Manufacturer
Drop product page SE figures: 3000/1800/200/100 mW at 16/32/300/600 Ω. THX AAA topology, output impedance <0.1 Ω (class spec). · Source ↗

Where to buy

Drop THX AAA 789 on Amazon ↗ Audio-Technica ATH-AD700X 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 27.8 dB
Schiit Asgard 3 Ample 25.4 dB
Topping DX3 Pro+ Ample 22.6 dB
FiiO K7 Ample 20.9 dB
Little Dot MkII Ample 10.0 dB
Apple USB-C to 3.5mm Adequate 4.9 dB

See all amplifiers for the Audio-Technica ATH-AD700X →

HeadphoneHeadroom
Koss Porta Pro Ample 28.2 dB
Grado SR80x Ample 27.9 dB
AKG K702 Ample 16.9 dB
HiFiMan Edition XS Ample 16.6 dB
Beyerdynamic DT 770 Pro 250 Adequate 7.5 dB
Beyerdynamic DT 990 Pro Adequate 6.4 dB

See all headphones for the Drop THX AAA 789 →