{"id":11803,"date":"2025-10-05T09:55:39","date_gmt":"2025-10-05T09:55:39","guid":{"rendered":"https:\/\/poiesistech.com\/audiopeople\/?post_type=product&p=11803"},"modified":"2026-04-11T08:12:56","modified_gmt":"2026-04-11T08:12:56","slug":"ibasso-dx340","status":"publish","type":"product","link":"https:\/\/theaudiopeople.com.vn\/vi\/product\/ibasso-dx340\/","title":{"rendered":"iBasso DX340"},"content":{"rendered":"

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DX340 t\u1eadn d\u1ee5ng l\u1ee3i th\u1ebf c\u1ee7a ph\u1ea7n c\u1ee9ng FPGA m\u1edbi m\u1ea1nh m\u1ebd \u0111\u1ec3 t\u1ea3i c\u00e1c thu\u1eadt to\u00e1n ph\u1ea7n m\u1ec1m nguy\u00ean b\u1ea3n v\u00e0 th\u1eadm ch\u00ed c\u00f2n ti\u00ean ti\u1ebfn h\u01a1n, mang \u0111\u1ebfn cho ng\u01b0\u1eddi nghe nh\u1eefng tinh ch\u1ec9nh DSP (B\u1ed9 x\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1) c\u00f3 th\u1ec3 nghe th\u1ea5y ngay l\u1eadp t\u1ee9c, gi\u00fap ki\u1ec3m so\u00e1t c\u00e1c h\u1ed3 s\u01a1 m\u00e9o h\u00e0i (harmonic distortion profiles).<\/p>\n

Khi n\u00f3i \u0111\u1ebfn ph\u00e1t nh\u1ea1c, DX340 kh\u00f4ng ph\u00e2n bi\u1ec7t gi\u1eefa c\u00e1c b\u1ea3n rip CD, c\u00e1c b\u1ea3n t\u1ea3i xu\u1ed1ng Hi-Res v\u00e0 ph\u00e1t tr\u1ef1c tuy\u1ebfn qua Android. N\u00f3 chuy\u1ec3n \u0111\u1ed5i t\u1ea5t c\u1ea3 ngu\u1ed3n nh\u1ea1c PCM th\u00f4ng th\u01b0\u1eddng c\u1ee7a b\u1ea1n th\u00e0nh DSD tr\u01b0\u1edbc khi gi\u1ea3i m\u00e3 t\u00edn hi\u1ec7u s\u1ed1 sang analog. T\u1ea5t c\u1ea3 c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u0111\u1ec1u \u0111\u01b0\u1ee3c truy\u1ec1n d\u01b0\u1edbi d\u1ea1ng DSD th\u00f4ng qua b\u1ed9 gi\u1ea3i m\u00e3 1-bit c\u1ee7a DX340.\u00a0<\/b><\/p>\n

Kh\u00f4ng ch\u00fat n\u00f3i qu\u00e1, DX340 s\u1ebd mang l\u1ea1i s\u1ef1 c\u1ea3i thi\u1ec7n l\u1edbn nh\u1ea5t cho nh\u1eefng ng\u01b0\u1eddi s\u01b0u t\u1eadp c\u00e1c t\u1ec7p SACD-rip, DSD64. V\u1edbi t\u01b0 c\u00e1ch l\u00e0 m\u1ed9t b\u1ed9 DAC si\u00eau n\u1ed9i suy (heavily-upsampling), iBasso \u0111\u01b0\u1ee3c vinh d\u1ef1 l\u00e0 m\u1ed9t trong nh\u1eefng s\u1ea3n ph\u1ea9m Head-Fi \u0111\u1ea7u ti\u00ean nh\u1eafm \u0111\u1ebfn v\u00e0 lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n v\u1ea5n \u0111\u1ec1 nhi\u1ec5u si\u00eau \u00e2m (ultrasonic noise) kh\u1ee7ng khi\u1ebfp c\u1ee7a DSD64.<\/b><\/p>\n

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Kh\u00f4ng n\u00f3i qu\u00e1, DX340 s\u1ebd mang l\u1ea1i s\u1ef1 c\u1ea3i thi\u1ec7n r\u00f5 r\u1ec7t nh\u1ea5t cho nh\u1eefng ng\u01b0\u1eddi s\u01b0u t\u1ea7m file SACD-rip, DSD64. V\u1edbi t\u01b0 c\u00e1ch l\u00e0 m\u1ed9t b\u1ed9 DAC si\u00eau n\u1ed9i suy (heavily-upsampling), iBasso \u0111\u00e3 \u0111\u01b0\u1ee3c vinh danh l\u00e0 m\u1ed9t trong nh\u1eefng s\u1ea3n ph\u1ea9m Head-Fi \u0111\u1ea7u ti\u00ean nh\u1eafm \u0111\u1ebfn v\u00e0 lo\u1ea1i b\u1ecf c\u00e1c v\u1ea5n \u0111\u1ec1 nhi\u1ec5u si\u00eau \u00e2m (ultrasonic noise) kinh kh\u1ee7ng c\u1ee7a DSD64.<\/b><\/p>\n

\u0110i\u1ec3m h\u1ea5p d\u1eabn c\u1ee7a vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i 1-bit trong DSD n\u1eb1m \u1edf ch\u1ed7 \u0111\u00e2y l\u00e0 t\u00edn hi\u1ec7u s\u1ed1 \u1edf d\u1ea1ng \u0111\u01a1n gi\u1ea3n nh\u1ea5t v\u00e0 g\u1ea7n v\u1edbi analog nh\u1ea5t \u2013 m\u1ee9c t\u00edn hi\u1ec7u ch\u1ec9 \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng 1 ho\u1eb7c 0, t\u01b0\u01a1ng \u1ee9ng v\u1edbi b\u1eadt ho\u1eb7c t\u1eaft.\u00a0<\/b><\/p>\n

\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u00edn hi\u1ec7u analog, lu\u1ed3ng bit (bitstream) ch\u1ec9 c\u1ea7n \u0111\u01b0\u1ee3c l\u1ecdc th\u00f4ng th\u1ea5p. Nh\u01b0ng c\u00f3 m\u1ed9t qu\u00e1 tr\u00ecnh x\u1eed l\u00fd m\u00e0 DX340 c\u1ea7n th\u1ef1c hi\u1ec7n tr\u01b0\u1edbc \u0111\u00f3: chu\u1ea9n b\u1ecb d\u1eef li\u1ec7u DSD \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 d\u1eef li\u1ec7u PCM tr\u00ean m\u00e1y nghe nh\u1ea1c c\u1ee7a b\u1ea1n, \u0111\u1ec3 t\u1ea1o ra lu\u1ed3ng s\u1ed1 1-bit t\u1ed1i \u01b0u nh\u1ea5t tr\u01b0\u1edbc khi chuy\u1ec3n \u0111\u1ed5i.\u00a0<\/b><\/p>\n

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C\u00e1ch DX340 l\u00e0m gi\u1ea3m c\u00e1c v\u1ea5n \u0111\u1ec1 nhi\u1ec5u ti\u1ebfng \u1ed3n tr\u1eafng c\u1ee7a DSD64 \u2013 hay n\u00f3i \u0111\u00fang h\u01a1n, l\u00e0 b\u1ea5t k\u1ef3 v\u1ea5n \u0111\u1ec1 v\u1ed1n c\u00f3 n\u00e0o c\u1ee7a t\u00edn hi\u1ec7u \u0111\u01a1n t\u1ea7n (single-rate material), d\u00f9 \u0111\u00f3 l\u00e0 nhi\u1ec5u c\u1ee7a DSD hay l\u1ecdc k\u1ef9 thu\u1eadt s\u1ed1 qu\u00e1 g\u1eaft (steep digital filtering), t\u00ecnh tr\u1ea1ng qu\u00e1 t\u1ea3i gi\u1eefa c\u00e1c m\u1eabu v\u00e0 ti\u1ec1n nh\u1ea5n (digital pre-emphasis) c\u1ee7a PCM \u2013 ch\u00ednh l\u00e0 vi\u1ec7c n\u00f3 \u00e1p d\u1ee5ng k\u1ef9 thu\u1eadt l\u1ea5y m\u1eabu v\u01b0\u1ee3t t\u1ea7n (heavy oversampling) \u0111\u1ed1i v\u1edbi d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o.<\/b><\/p>\n

B\u1ed9 x\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1 (DSP) c\u1ee7a iBasso th\u1ef1c hi\u1ec7n l\u1ea5y m\u1eabu v\u01b0\u1ee3t t\u1ea7n (oversamples) d\u1eef li\u1ec7u \u0111\u1ebfn \u0111\u1ed9 s\u00e2u bit v\u00e0 t\u1ed1c \u0111\u1ed9 l\u1ea5y m\u1eabu c\u1ef1c k\u1ef3 cao, \u0111\u1ed3ng b\u1ed9 v\u1edbi vi\u1ec7c FPGA-Master 3 m\u1edbi c\u1ee7a h\u1ecd t\u1ea1o ra t\u00edn hi\u1ec7u I2S. D\u1eef li\u1ec7u \u0111a bit m\u1edbi n\u00e0y, ch\u1ea1y \u1edf t\u1ed1c \u0111\u1ed9 g\u1ea5p nhi\u1ec1u l\u1ea7n t\u1ed1c \u0111\u1ed9 c\u01a1 b\u1ea3n 2.8MHz c\u1ee7a DSD, sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111\u01b0a qua m\u1ed9t quy tr\u00ecnh \u0110i\u1ec1u ch\u1ebf \u0110\u1ed9 r\u1ed9ng Xung (Pulse-Width Modulated - PWM) \u0111\u1ec3 chu\u1ea9n b\u1ecb cho vi\u1ec7c gi\u1ea3i m\u00e3 1-bit.<\/p>\n

iBasso x\u1eed l\u00fd m\u1ed7i \u0111i\u1ec7n tr\u1edf trong s\u1ed1 32 \u0111i\u1ec7n tr\u1edf tr\u00ean m\u1ed7i pha DAC c\u1ee7a DX340 nh\u01b0 c\u00e1c th\u1ef1c th\u1ec3 ri\u00eang l\u1ebb, v\u1eadn h\u00e0nh ch\u00fang v\u00e0o nh\u1eefng th\u1eddi \u0111i\u1ec3m r\u1ea5t c\u1ee5 th\u1ec3 trong mi\u1ec1n th\u1eddi gian (time domain).\u00a0<\/b><\/p>\n

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Th\u00f4ng th\u01b0\u1eddng, vi\u1ec7c \u0111i\u1ec1u ph\u1ed1i m\u1ed9t t\u1ed5ng s\u1ed1 128 ph\u1ea7n t\u1eed DAC ri\u00eang l\u1ebb nh\u01b0 v\u1eady c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 h\u1ed7n lo\u1ea1n, nh\u01b0ng ch\u00ednh con chip FPGA-Master 3 c\u1ee7a iBasso \u0111\u00e3 mang l\u1ea1i kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd c\u00e1ch th\u1ee9c m\u00e0 m\u1ed7i b\u1ed9 l\u1ecdc th\u00f4ng th\u1ea5p d\u00f9ng \u0111i\u1ec7n tr\u1edf-t\u1ee5 \u0111i\u1ec7n xu\u1ea5t ra t\u00edn hi\u1ec7u trong c\u1ea3 mi\u1ec1n th\u1eddi gian l\u1eabn mi\u1ec1n t\u1ea7n s\u1ed1.<\/p>\n

K\u1ebft qu\u1ea3 c\u1ee7a vi\u1ec7c to\u00e0n b\u1ed9 128 ph\u1ea7n t\u1eed DAC xu\u1ea5t t\u00edn hi\u1ec7u \u1edf c\u00e1c kho\u1ea3ng th\u1eddi gian \u0111\u01b0\u1ee3c \u0111\u1ecbnh pha (phased intervals) l\u00e0 t\u1ea1o ra m\u1ed9t d\u1ea1ng s\u00f3ng li\u00ean t\u1ee5c, nh\u1ea5t qu\u00e1n v\u1edbi c\u00e1c b\u1eadc thang m\u1ecbn h\u01a1n theo th\u1eddi gian. \u0110i\u1ec1u n\u00e0y gi\u00fap kh\u1eafc ho\u1ea1 nhi\u1ec1u chi ti\u1ebft h\u01a1n trong \u00e2m nh\u1ea1c v\u00e0 gi\u1ea3m thi\u1ec3u sai s\u1ed1, gi\u00fap gi\u1ea3i m\u00e3 \u00e2m nh\u1ea1c tr\u1edf l\u1ea1i d\u1ea1ng s\u00f3ng nguy\u00ean b\u1ea3n m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c h\u01a1n.<\/b><\/p>\n

Giai \u0111o\u1ea1n ti\u1ec1n x\u1eed l\u00fd DSP PWM c\u1ee7a DX340 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 s\u1ef1 kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t \u1edf c\u00e1c c\u1ea1nh l\u00ean v\u00e0 xu\u1ed1ng \u1edf c\u1ea5p \u0111\u1ed9 t\u1ea7n s\u1ed1 v\u1ed1n th\u01b0\u1eddng g\u1eb7p tr\u00ean c\u00e1c m\u1ea1ch k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u1ecbnh h\u00ecnh nhi\u1ec5u truy\u1ec1n th\u1ed1ng, b\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n c\u00e1c \u0111i\u1ec1u ch\u1ec9nh nh\u1eb1m t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho qu\u00e1 tr\u00ecnh chuy\u1ec3n m\u1ea1ch di\u1ec5n ra ch\u00ednh x\u00e1c, \u1ed5n \u0111\u1ecbnh v\u00e0 d\u1ec5 d\u1ef1 \u0111o\u00e1n h\u01a1n.<\/p>\n

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C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y gi\u00fap gi\u1ea3m thi\u1ec3u sai s\u1ed1 b\u1eb1ng c\u00e1ch tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec5u xuy\u00ean k\u00fd t\u1ef1. \u0110\u00e1ng ch\u00fa \u00fd l\u00e0 c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng phi tuy\u1ebfn t\u00ednh ph\u00e1t sinh t\u1eeb s\u1ef1 kh\u00f4ng kh\u1edbp gi\u1eefa s\u01b0\u1eddn l\u00ean v\u00e0 s\u01b0\u1eddn xu\u1ed1ng kh\u00f4ng bi\u1ec3u hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng m\u00e9o h\u00e0i t\u1ed5ng (THD). B\u1ed9 x\u1eed l\u00fd DSP PWM c\u1ee7a iBasso kh\u00f4ng t\u1ea1o ra c\u00e1c l\u1ed7i h\u00e0i (harmonic errors) bi\u1ebfn \u0111\u1ed5i theo m\u1ee9c t\u00edn hi\u1ec7u s\u1ed1 \u0111\u1ea7u ra.\u00a0<\/b><\/p>\n

S\u1ee9c m\u1ea1nh x\u1eed l\u00fd m\u00e0 FPGA-Master 3 s\u1edf h\u1eefu cho ph\u00e9p ng\u01b0\u1eddi nghe tr\u1ea3i nghi\u1ec7m c\u00e1c \u00e2m thanh m\u00e9o h\u00e0i k\u1ef9 thu\u1eadt s\u1ed1 (digital harmonic distortion profiles) ngay trong th\u1eddi gian th\u1ef1c. V\u1edbi t\u00ednh n\u0103ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u2018Advanced Harmonic Adjustment\u2019, ch\u1ee7 s\u1edf h\u1eefu DX340 c\u00f3 th\u1ec3 linh ho\u1ea1t chuy\u1ec3n \u0111\u1ed5i gi\u1eefa vi\u1ec7c th\u00eam c\u00e1c h\u00e0i \u00e2m b\u1eadc ch\u1eb5n \u2013 \u0111\u1ec3 c\u00f3 \u00e2m thanh m\u01b0\u1ee3t m\u00e0 v\u00e0 uy\u1ec3n chuy\u1ec3n h\u01a1n \u2013 ho\u1eb7c c\u00e1c h\u00e0i \u00e2m b\u1eadc l\u1ebb \u2013 \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c d\u1ea3i \u0111\u1ed9ng l\u1edbn h\u01a1n v\u00e0 l\u1ef1c \u0111\u00e1nh m\u1ea1nh m\u1ebd h\u01a1n. B\u1eb1ng c\u00e1ch n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 t\u00ecm th\u1ea5y s\u1ef1 ph\u1ed1i h\u1ee3p \u0103n \u00fd ngay l\u1eadp t\u1ee9c v\u1edbi c\u00e1c thi\u1ebft b\u1ecb tai nghe c\u1ee7a m\u00ecnh.<\/p>\n

B\u00ean trong h\u1ec7 th\u1ed1ng logic c\u1ee7a DX340 l\u00e0 b\u1ed9 ki\u1ec3m so\u00e1t \u00e2m l\u01b0\u1ee3ng k\u1ef9 thu\u1eadt s\u1ed1 v\u1edbi c\u00e1c h\u1ec7 s\u1ed1 l\u1edbn \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh m\u1ee9c \u00e2m v\u00e0 m\u1edf r\u1ed9ng \u0111\u1ed9 r\u1ed9ng lu\u1ed3ng d\u1eef li\u1ec7u. Kho\u1ea3ng d\u1ef1 tr\u1eef v\u1ec1 \u0111\u1ed9 s\u00e2u bit v\u00e0 t\u1ea7n s\u1ed1 l\u1ea5y m\u1eabu cao n\u00e0y ho\u00e0n to\u00e0n kh\u00f4ng g\u1eb7p ph\u1ea3i c\u00e1c v\u1ea5n \u0111\u1ec1 qu\u00e1 t\u1ea3i khi cu\u1ed1i c\u00f9ng n\u00f3 \u0111\u01b0\u1ee3c \u0111\u01b0a tr\u1edf l\u1ea1i th\u00e0nh t\u00edn hi\u1ec7u DSD 1-bit ti\u00eau chu\u1ea9n \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i qua b\u1ed9 l\u1ecdc th\u00f4ng th\u1ea5p \u2013 nh\u01b0ng l\u00fac n\u00e0y, b\u0103ng th\u00f4ng \u0111\u00e3 \u0111\u1ea1t m\u1ee9c l\u00ean \u0111\u1ebfn 49MHz, \u0111\u1ea9y c\u00e1c v\u1ea5n \u0111\u1ec1 nhi\u1ec5u tr\u1eafng c\u1ee7a DSD ra r\u1ea5t xa kh\u1ecfi d\u1ea3i t\u1ea7n m\u00e0 tai ng\u01b0\u1eddi c\u00f3 th\u1ec3 nghe th\u1ea5y.<\/b><\/p>\n

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C\u00f4ng ngh\u1ec7 \u0111\u1ed9c quy\u1ec1n d\u00f9ng linh ki\u1ec7n r\u1eddi (discrete) c\u1ee7a iBasso ngay l\u1eadp t\u1ee9c t\u1ea1o ra s\u1ef1 kh\u00e1c bi\u1ec7t so v\u1edbi c\u00e1c chip DAC th\u01b0\u01a1ng m\u1ea1i, n\u01a1i m\u00e0 c\u00e1c g\u00f3i m\u1ea1ch t\u00edch h\u1ee3p (IC) th\u01b0\u1eddng qu\u00e1 nh\u1ecf \u0111\u1ec3 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i DSD 1-bit l\u00fd t\u01b0\u1edfng. DX340 \u0111\u1ed3ng th\u1eddi c\u0169ng tr\u00e1nh \u0111\u01b0\u1ee3c c\u00e1c sai s\u1ed1 v\u1ec1 k\u1ef9 thu\u1eadt gh\u00e9p c\u1eb7p ph\u1ea7n t\u1eed \u0111\u1ed9ng (dynamic element matching) v\u1ed1n l\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m v\u1ed1n c\u00f3 c\u1ee7a c\u00e1c b\u1ed9 gi\u1ea3i m\u00e3 delta-sigma 2-7 bit.<\/b><\/p>\n

This high-fidelity is amplified and flows on to DX340’s Amp15 and powerful op-amp output buffers that supply current and mean iBasso’s flagship promises high damping factor while maintaining its low distortion into low impedances typical of\u00a0IEMs, Focals, Fostexs and Rosson Audio Design<\/a>.<\/b><\/p>\n

C\u00f4ng su\u1ea5t \u0111\u1ea7u ra l\u00ean \u0111\u1ebfn 4.3W l\u00e0 \u0111\u1ee7 m\u1ea1nh m\u1ebd \u0111\u1ec3 c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p v\u1edbi nhi\u1ec1u lo\u1ea1i tai nghe \"kh\u00f3 t\u00ednh\" ngay t\u1ea1i b\u00e0n l\u00e0m vi\u1ec7c. V\u00e0 khi di chuy\u1ec3n, DX340 t\u1eadn d\u1ee5ng h\u1ec7 th\u1ed1ng pin k\u00e9p c\u1ee7a iBasso gi\u00fap cung c\u1ea5p ngu\u1ed3n \u0111i\u1ec7n ri\u00eang bi\u1ec7t cho c\u00e1c t\u1ea7ng k\u1ef9 thu\u1eadt s\u1ed1 v\u00e0 analog, \u0111\u1ea3m b\u1ea3o ngu\u1ed3n d\u1ef1 tr\u1eef d\u1ed3i d\u00e0o v\u00e0 s\u1ea1ch s\u1ebd.<\/p>\n

\u0110\u01b0\u1ee3c tuy\u1ec3n ch\u1ecdn \u0111\u1eb7c bi\u1ec7t b\u1edfi iBasso, DX340 s\u1edf h\u1eefu t\u00e1m linh ki\u1ec7n t\u1eeb Texas Instrument \u2013 nh\u1eefng ngu\u1ed3n \u0111i\u1ec7n \u00e1p l\u00fd t\u01b0\u1edfng v\u00e0 \u1ed5n \u0111\u1ecbnh ngay c\u1ea3 v\u1edbi t\u1ea3i c\u00f3 t\u00ednh dung kh\u00e1ng. Ngo\u00e0i ra, t\u00edch s\u1ed1 \u0111\u1ed9 l\u1ee3i - b\u0103ng th\u00f4ng khu\u1ebfch \u0111\u1ea1i (gain bandwidth product) c\u1ee7a ch\u00fang gi\u00fap \u0111\u1ea3m b\u1ea3o \u0111\u00e1p \u1ee9ng t\u1ea7n s\u1ed1 m\u1edf r\u1ed9ng v\u01b0\u1ee3t xa ph\u1ea1m vi nghe c\u1ee7a con ng\u01b0\u1eddi, mang l\u1ea1i \u0111\u1eb7c t\u00ednh pha tuy\u1ec7t h\u1ea3o c\u00f9ng \u0111\u1ed9 \u0111\u1ed9ng ch\u1eb7t ch\u1ebd, \u0111\u1ea7y uy l\u1ef1c v\u00e0 s\u1ed1ng \u0111\u1ed9ng nh\u01b0 th\u1eadt.<\/p>\n

\"\"<\/div>\n

Tuy nhi\u00ean, m\u1ee9c gain v\u00f2ng k\u00edn b\u00ean trong v\u1eabn \u0111\u01b0\u1ee3c duy tr\u00ec \u1edf m\u1ee9c cao ngay c\u1ea3 sau khi \u00e1p d\u1ee5ng h\u1ed3i ti\u1ebfp \u00e2m (negative feedback) trong m\u1ea1ch analog c\u1ee7a iBasso. Nh\u1edd \u0111\u00f3, \u0111i\u1ec3m m\u1ea1nh th\u1ef1c s\u1ef1 c\u1ee7a n\u00f3 n\u1eb1m \u1edf kh\u1ea3 n\u0103ng c\u1ea5p \u0111i\u1ec7n \u00e1p m\u1ea1nh m\u1ebd, d\u1ec5 d\u00e0ng khai th\u00e1c c\u00e1c m\u1eabu tai nghe tr\u1edf kh\u00e1ng cao t\u1eeb Audio-Technica, Sennheiser hay ZMF Headphones<\/a> m\u00e0 h\u1ea7u nh\u01b0 kh\u00f4ng c\u1ea7n g\u1eafng s\u1ee9c.<\/p>\n

\u0110i\u1ec3m m\u00e0 DX340 v\u01b0\u1ee3t xa t\u1ea5t c\u1ea3 nh\u1eefng thi\u1ebft b\u1ecb kh\u00e1c s\u1eed d\u1ee5ng b\u1ed9 \u0111\u1ec7m TI n\u00e0y ch\u00ednh l\u00e0 kh\u1ea3 n\u0103ng ti\u1ebfp nh\u1eadn \u0111\u1ea7u v\u00e0o 12V DC tr\u1ef1c ti\u1ebfp cho Amp15. Vi\u1ec7c n\u00e0y cho ph\u00e9p b\u1ecf qua pin v\u00e0 c\u00e1c \u0111\u01b0\u1eddng c\u1ea5p ngu\u1ed3n n\u1ed9i b\u1ed9 8V \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng kho\u1ea3ng d\u1ef1 tr\u1eef (headroom) v\u00e0 \u0111\u1ed9 tuy\u1ebfn t\u00ednh, tr\u1ef1c ti\u1ebfp gia t\u0103ng bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng \u0111i\u1ec7n \u00e1p m\u00e0 DX340 c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c.<\/p>\n

Khi Ch\u1ebf \u0111\u1ed9 Desktop (Desktop Mode) \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1eb1ng c\u00e1ch c\u1eafm b\u1ed9 ngu\u1ed3n DC n\u00f3i tr\u00ean, Amp15 c\u00f3 kh\u1ea3 n\u0103ng xu\u1ea5t c\u00f4ng su\u1ea5t h\u01a1n 2W m\u1ed7i k\u00eanh, gi\u00fap v\u1eadn h\u00e0nh m\u01b0\u1ee3t m\u00e0 c\u00e1c d\u00f2ng tai nghe c\u1ee1 l\u1edbn ngay t\u1ea1i b\u00e0n l\u00e0m vi\u1ec7c! Tuy nhi\u00ean, ngh\u1ec7 thu\u1eadt khu\u1ebfch \u0111\u1ea1i \u00e2m thanh d\u00f9ng linh ki\u1ec7n r\u1eddi s\u1ebd lu\u00f4n c\u00f3 ch\u1ed7 \u0111\u1ee9ng ri\u00eang, v\u00e0 nh\u1eefng ng\u01b0\u1eddi t\u1eebng s\u1edf h\u1eefu DX300, DX320 c\u00f9ng c\u00e1c th\u1ebb amp li\u00ean quan s\u1ebd kh\u00f4ng h\u1ec1 b\u1ecb b\u1ecf r\u01a1i.<\/p>\n

<\/div>\n

C\u00e1c module AMP12 \u0111\u1ebfn AMP14 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng v\u1edbi DX340 th\u00f4ng qua b\u1ed9 adapter d\u00e0nh cho thi\u1ebft k\u1ebf khung m\u00e1y m\u1edbi. Nh\u1edd \u0111\u00f3, ng\u01b0\u1eddi d\u00f9ng v\u1eabn c\u00f3 th\u1ec3 t\u1eadn h\u01b0\u1edfng nh\u1eefng \u01b0u \u0111i\u1ec3m c\u1ee7a AMP12 nh\u01b0 kh\u1ea3 n\u0103ng x\u1eed l\u00fd d\u00f2ng \u0111i\u1ec7n m\u1ea1nh m\u1ebd t\u1eeb m\u1ea1ch discrete v\u00e0 thi\u1ebft k\u1ebf gi\u1ea3m h\u1ed3i ti\u1ebfp (feedback), \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng m\u1eabu IEM flagship tr\u1edf kh\u00e1ng th\u1ea5p kh\u00f3 k\u00e9o nh\u1ea5t hi\u1ec7n nay.<\/p>\n

Trong khi c\u00e1c t\u1ea7ng khu\u1ebfch \u0111\u1ea1i Nutube tr\u00ean AMP13 v\u00e0 AMP14 v\u1eabn c\u00f3 th\u1ec3 mang ch\u1ea5t \u00e2m ng\u1ecdt ng\u00e0o, gi\u00e0u nh\u1ea1c t\u00ednh \u0111\u1eb7c tr\u01b0ng c\u1ee7a ch\u00fang l\u00ean DX340, th\u00ec AMP16 v\u1edbi c\u1ea5u h\u00ecnh JAN6418\/BUF634A l\u1ea1i l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u00e1ng c\u00e2n nh\u1eafc n\u1ebfu b\u1ea1n mu\u1ed1n v\u1eeba c\u00f3 c\u00f4ng su\u1ea5t m\u1ea1nh m\u1ebd, v\u1eeba t\u1eadn h\u01b0\u1edfng m\u00e0u \u00e2m \u0111\u1eadm ch\u1ea5t \u0111\u00e8n \u0111\u1ea7y cu\u1ed1n h\u00fat.<\/p>\n

Khi r\u1eddi kh\u1ecfi b\u00e0n l\u00e0m vi\u1ec7c, b\u1ea1n v\u1eabn s\u1ebd \u0111\u01b0\u1ee3c t\u1eadn h\u01b0\u1edfng ngu\u1ed3n \u0111i\u1ec7n s\u1ea1ch cho b\u1ea5t k\u1ef3 card n\u00e0o b\u1ea1n l\u1eafp v\u00e0o, nh\u1edd h\u1ec7 th\u1ed1ng pin t\u00e1ch bi\u1ec7t \u2013 m\u1ed9t d\u00e0nh cho m\u1ea1ch k\u1ef9 thu\u1eadt s\u1ed1 v\u00e0 m\u1ed9t d\u00e0nh cho m\u1ea1ch analog \u2013 \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n s\u1ebd kh\u00f4ng bao gi\u1edd ph\u1ea3i lo l\u1eafng v\u1ec1 vi\u1ec7c nhi\u1ec5u t\u1eeb ph\u00eda n\u00e0y l\u00e0m b\u1ea9n t\u00edn hi\u1ec7u c\u1ee7a ph\u00eda kia.<\/p>\n

\"\"<\/div>\n

Cu\u1ed9c chi\u1ebfn ch\u1ed1ng l\u1ea1i s\u1ef1 l\u1ed7i th\u1eddi th\u00f4ng qua c\u00e1c card Amp c\u00f3 th\u1ec3 ho\u00e1n \u0111\u1ed5i v\u00e0 h\u1ec7 th\u1ed1ng pin k\u00e9p c\u00e0ng tr\u1edf n\u00ean m\u1ea1nh m\u1ebd h\u01a1n nh\u1edd thi\u1ebft k\u1ebf v\u1ecf m\u00e1y c\u1ee7a DX340, gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng th\u00e1o l\u1eafp v\u00e0 thay th\u1ebf b\u1ea5t k\u1ef3 b\u1ed9 ph\u1eadn n\u00e0o c\u1ea7n thi\u1ebft m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i g\u1eedi m\u00e1y v\u1ec1 l\u1ea1i nh\u00e0 m\u00e1y.<\/p>\n

Kh\u1ea3 n\u0103ng \"s\u1eb5n s\u00e0ng cho t\u01b0\u01a1ng lai\" c\u1ee7a iBasso \u0111\u01b0\u1ee3c ho\u00e0n thi\u1ec7n v\u1edbi vi\u1ec7c t\u00edch h\u1ee3p Android 13 tr\u00ean n\u1ec1n t\u1ea3ng Snapdragon 665, \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi 8GB RAM. Ngo\u00e0i ra, c\u1ed5ng ra \u0111\u1ed3ng tr\u1ee5c (coaxial output) c\u0169ng gi\u00fap FPGA-Master 3 c\u1ee7a DX340 tr\u1edf th\u00e0nh m\u1ed9t ngu\u1ed3n ph\u00e1t tuy\u1ec7t v\u1eddi khi k\u1ebft h\u1ee3p v\u1edbi ch\u00ednh c\u00e1c b\u1ed9 gi\u1ea3i m\u00e3 D16 v\u00e0 D17 c\u1ee7a iBasso, n\u1ebfu b\u1ea1n c\u00f3 nhu c\u1ea7u gh\u00e9p h\u1ec7 th\u1ed1ng.<\/p>\n

DX340 l\u00e0 \u0111\u1ec9nh cao c\u1ee7a k\u1ef9 thu\u1eadt iBasso, m\u1ed9t minh ch\u1ee9ng cho th\u1ea5y h\u1ecd \u0111\u00e3 \u0111\u01b0a th\u1ebf gi\u1edbi Head-Fi ti\u1ebfn xa \u0111\u1ebfn nh\u01b0\u1eddng n\u00e0o. H\u00e3y n\u00e2ng c\u1ea5p thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n ngay h\u00f4m nay v\u1edbi Amp16<\/a> \u2026 ho\u1eb7c, n\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm c\u00e1c gi\u1ea3i ph\u00e1p DAC v\u00e0 DAP \u0111\u01a1n gi\u1ea3n h\u01a1n, h\u00e3y tham kh\u1ea3o c\u00e1c s\u1ea3n ph\u1ea9m kh\u00e1c c\u1ee7a iBasso t\u1ea1i \u0111\u00e2y<\/a>, ho\u1eb7c xem th\u00eam c\u00e1c m\u00e1y nghe nh\u1ea1c kh\u00e1c c\u1ee7a ch\u00fang t\u00f4i t\u1ea1i \u0111\u00e2y<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"

It would have been enough for iBasso Audio<\/a> to answer the market by throwing D16’s DSD DAC into an Android music player. Instead the new flagship DX340 doesn’t stop there, its innovation seeing it become Headfonia<\/a>‘s reference portable source.<\/p>\n

The capability of iBasso’s proprietary 1-bit, all-to-DSD, DAC is boosted by the arrival of FPGA-Master 3 to take DX340 above and beyond any other custom discrete decoder in a DAP.<\/p>\n

Totally transparent on a micro and particularly a macro level, portraying a soundstage filled with natural air and light, iBasso’s fluid flagship reproduces digital with a life-like flow \u2013 a caress that presents dynamics sweetly without any hint of listener fatigue.<\/p>\n

iBasso’s impressive FPGA and DSD DAC are backed by Amp15 that answers another market call. A Desktop Mode is built in via 12V DC input, allowing DX340 to boost its max output power to 4.3 watts!<\/p>\n

All that, for you to take your Hi-Res Lossless Tidal and Apple Music anywhere with you on this Android 13 pinnacle. [See Product Desc. For More]<\/strong><\/p>\n

 <\/p>\n","protected":false},"featured_media":13813,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[498],"product_cat":[398,25],"product_tag":[168,305,251,182],"pa_accessories":[],"pa_headphones":[],"pa_connection":[],"pa_fit":[],"pa_type":[],"pa_cases":[],"class_list":["post-11803","product","type-product","status-publish","has-post-thumbnail","product_brand-ibasso","product_cat-all-products","product_cat-digital-audio-players","product_tag-audio","product_tag-brand_ibasso","product_tag-dap","product_tag-solid-state","entry","has-media","first","instock","shipping-taxable","purchasable","product-type-simple","col","span_1_of_4","owp-content-left","owp-thumbs-layout-horizontal","owp-btn-very-big","owp-tabs-layout-vertical"],"acf":[],"yoast_head":"\niBasso DX340 - The Audio People<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/theaudiopeople.com.vn\/vi\/san-pham\/ibasso-dx340\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"iBasso DX340 - The Audio People\" \/>\n<meta property=\"og:description\" content=\"It would have been enough for iBasso Audio to answer the market by throwing D16's DSD DAC into an Android music player. Instead the new flagship DX340 doesn't stop there, its innovation seeing it become Headfonia's reference portable source. The capability of iBasso's proprietary 1-bit, all-to-DSD, DAC is boosted by the arrival of FPGA-Master 3 to take DX340 above and beyond any other custom discrete decoder in a DAP. Totally transparent on a micro and particularly a macro level, portraying a soundstage filled with natural air and light, iBasso's fluid flagship reproduces digital with a life-like flow \u2013 a caress that presents dynamics sweetly without any hint of listener fatigue. iBasso's impressive FPGA and DSD DAC are backed by Amp15 that answers another market call. A Desktop Mode is built in via 12V DC input, allowing DX340 to boost its max output power to 4.3 watts! All that, for you to take your Hi-Res Lossless Tidal and Apple Music anywhere with you on this Android 13 pinnacle. [See Product Desc. 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