[LAU] Headphone Amp vs PCI/Ext card

I'm thinking about getting something like the below to optimise
headphone monitoring quality. Can anyone suggest a more generic
all round (onboard) useful device with at least similar specs ?

(and obviously works well with ALSA)

 http://www.head-direct.com/product_detail.php?p=11

Power consumption: 2W (quiescent), 6W (MAX), 110v
 Adapted load impedance: 32-600 ohms
 Max output:
 1000mw x 2 @32 ohms to 64 ohms
 250mw x 2 @ 250 ohms
 120mw x 2 @600 ohms
 Power bandwidth: 6Hz 80kHz (+0/-3dB)
 THD&N (at rated output): 0.004%
 SNR: 98dB
 Output voltage swing: 10Vrms
 Input impedance: 10Kohms
 Dimension (MAX): 112mm(W) X 67mm(H) X 185mm(D)
 Net weight: 1.20kg (2.64lb)

DAC section:
 Power consumption: 1W
 Supported digital formats: 16bit / 20bit / 24bit
 @ 32khz / 44.1khz / 48khz / 96khz
 Optical fiber(Toslink) & coaxial(RCA)
 8x oversampling digital filter
 Total distortion: -96dB
 Dynamic range: 106dB
 SNR: 106dB

--markc
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Received on Sat Oct 27 12:15:02 2007