Gain (user-selectable)	0dB, 9dB and 18dB
Frequency Response	0.5Hz to 500kHz(-3dB)
THD & N	Balanced	Solid-State Tube Tube+	0.0015% 0.002% 0.012%
	Single- Ended	Solid-State Tube Tube+	0.005% 0.005% 0.2%
SNR	Balanced Single-Ended	>147dB(A) > 137dB(A)
Output Power	Balanced Single-Ended	>14,000mW (@ 16) >4,800mW (@ 16)
Output Voltage	Balanced Single-Ended	>23V (@ 600) >11.5v (@ 600)
Input voltage (Pro iDSD Signature)	DC 9V/6.7A – 18V/3.35A
Input voltage (iPower Elite)	AC 85 – 265V, 50/60Hz
Power consumption	< 22W idle, 50W max
Dimensions	213 x 193 x 63 mm 6.2″ x 3.9″ x 1.4″
Net weight	1.93 kg 4.3 Ibs

Inputs	Wireless Wired (digital) Wired (analogue)	Bluetooth 5.1 (aptX, aptX HD, aptX Adaptive, aptX LL, LDAC, HWA, AAC and SBC Codec) USB-C S/PDIF co-axial Balanced 4.4mm Single-Ended 3.5mm
Formats	DSD PCM DXD MQA (Decoder)Bluetooth	DSD512/256/128/64, Octa/Quad/Double/Single-Speed 768/705.6/384/352.8/192/176.4/ 96/88.2/48/44.1kHz 768/705.6/384/352.8kHz, Double/Single-Speed DXD 384/352.8kHzUp to 96kHz
DAC		Burr-Brown
Battery		USB-C charging. BC1.2 compliant up to 1900mA charging current
Dimensions		123x75x19 mm 4.8″x3.0″x0.7″
Weight		215 grams 0.5 Ibs
Line Section
Outputs	Balanced S-Bal (SE)	6.7V max. (variable) 3.5V max. (variable)
Output Impedance	Balanced S-Bal (SE)	≤200Ω ≤100Ω
	Balanced S-Bal (SE)	<110dB(A) @ 0dBFS <110dB(A) @ 0dBFS
	Balanced S-Bal (SE)	<0.007% @ 0dBFS <0.015% @ 0dBFS
Headphone Section
Outputs	Balanced S-Bal (SE)	4.4mm Pentaconn 3.5mm SE
Output Power	Balanced S-Bal (SE)	>1000mW @ 32Ω >74mW @ 600Ω >6.7V max. @ 600Ω>320mW @ 32Ω >40mW @ 300Ω >3.5V max. @ 600Ω
Output Impedance	Balanced S-Bal (SE)	<1Ω <1Ω
SNR	Balanced S-Bal (SE)	<116dB(A) @ 0dBFS <115dB(A) @ 0dBFS
THD+N		<0.005% (1V @ 16Ω)

耳擴 Headphone AMP