| Impedance | 250 Ω |
|---|---|
| Efficiency | 96.0 dB SPL/mW |
| Frequency Response | 5 - 35,000 Hz |
| Transducer Type | Dynamic |
| Operating Principle | Open |
| Ear Coupling | Over-ear |
| Weight | 250 g |
| Additional Notes | |
| "The DT 990 PRO is an open dynamic headphone for studio applications. Due to a weight reduction of the diaphragm an excellent sound reproduction quality is achieved. Its rugged design with a spring steel headband ensures a secure fit and withstands all demands. Soft headband and ear cushioning systems ensure a high comfort over long periods of time." | |
| Target SPL Requirements | ||
|---|---|---|
| Target | Power | Voltage |
| 90.0 dB | 0.25 mW | 0.25 Vrms |
| 92.5 dB | 0.45 mW | 0.33 Vrms |
| 95.0 dB | 0.79 mW | 0.45 Vrms |
| 97.5 dB | 1.4 mW | 0.59 Vrms |
| 100.0 dB | 2.5 mW | 0.79 Vrms |
| 102.5 dB | 4.5 mW | 1.06 Vrms |
| 105.0 dB | 7.9 mW | 1.41 Vrms |
| 107.5 dB | 14.1 mW | 1.88 Vrms |
| 110.0 dB | 25.1 mW | 2.51 Vrms |
| Price History | |
|---|---|
| Current | $128.88 |
| Highest | $199.00 |
| Lowest | $128.88 |
| Search Item | Amazon, eBay |
| Rank | Model | Current Price |
|---|---|---|
| #25 | Amiron Home | $599.00 |
| - | DT 1350 | $240.90 |
| - | DT 235 | $66.43 |
| - | DT 770 PRO (32 ohms) | $148.99 |
| - | DT 770 PRO (80 ohms) | $143.69 |
| - | DTX 910 | $69.99 |
| - | T 1 | $999.00 |
| - | T 51 p | $414.02 |
| - | T 70 p | $569.00 |
| - | T 90 | $2,146.43 |
| Model | Style | Impedance | Price |
|---|---|---|---|
| Beyerdynamic DT 990 Edition (250 Ω) | Open, Over-ear | 250 Ω | $154.57 |
| Beyerdynamic DT 880 Edition (250 Ω) | Open, Over-ear | 236 Ω | $161.50 |
| Beyerdynamic DT 880 PRO | Open, Over-ear | 250 Ω | $187.98 |
| Beyerdynamic Amiron Home | Open, Over-ear | 250 Ω | $599.00 |
| Sennheiser HD 650 | Open, Over-ear | 320 Ω | $369.93 |
| Sennheiser HD 660 S | Open, Over-ear | 150 Ω | $489.99 |
| Beyerdynamic T 90 Jubilee | Open, Over-ear | 250 Ω | $249.00 |
| Model | Peak SPL | Portable | Price |
|---|---|---|---|
| Little Dot MK II | 115.8 dB | $139.99 | |
| Aune T1 Mk2 | 118.8 dB | $249.99 | |
| xDuoo TA-01 | 120.3 dB | $155.25 | |
| HiFiMAN EF-2A | 117.9 dB | $168.95 | |
| Schiit Vali | 116.4 dB | $119.00 | |
| Qinpu Q2 | 115.0 dB | $99.00 | |
| Schiit Vali 2 | 117.1 dB | $169.00 | |
| Schiit Mjolnir 2 | 126.0 dB | $849.00 | |
| Schiit Magni 2 | 119.0 dB | $5.99 |
